chore(deps): bump release-drafter/release-drafter from 7.2.0 to 7.3.0

Bumps [release-drafter/release-drafter](https://github.com/release-drafter/release-drafter) from 7.2.0 to 7.3.0. - [Release notes](https://github.com/release-drafter/release-drafter/releases) - [Commits](5de9358398...c2e2804cc5) --- updated-dependencies: - dependency-name: release-drafter/release-drafter dependency-version: 7.3.0 dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>
chore(deps): bump github/codeql-action from 4.35.3 to 4.35.4 (#881 )
2026-05-15 13:55:39 +00:00 · 2026-05-15 10:55:03 +00:00 · 2026-05-14 15:10:36 +02:00 · 2026-05-13 13:26:05 +02:00 · 2026-05-13 08:28:39 +02:00 · 2026-05-13 07:37:30 +02:00
34 changed files with 4456 additions and 2499 deletions
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -47,7 +47,7 @@ jobs:

      # Initializes the CodeQL tools for scanning.
      - name: Initialize CodeQL
-        uses: github/codeql-action/init@45cbd0c69e560cd9e7cd7f8c32362050c9b7ded2 # v4.32.2
+        uses: github/codeql-action/init@68bde559dea0fdcac2102bfdf6230c5f70eb485e # v4.35.4
        with:
          languages: ${{ matrix.language }}
          source-root: src
@@ -59,7 +59,7 @@ jobs:
      # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
      # If this step fails, then you should remove it and run the build manually (see below)
      - name: Autobuild
-        uses: github/codeql-action/autobuild@45cbd0c69e560cd9e7cd7f8c32362050c9b7ded2 # v4.32.2
+        uses: github/codeql-action/autobuild@68bde559dea0fdcac2102bfdf6230c5f70eb485e # v4.35.4

      # ℹ️ Command-line programs to run using the OS shell.
      # 📚 https://git.io/JvXDl
@@ -73,4 +73,4 @@ jobs:
      #   make release

      - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@45cbd0c69e560cd9e7cd7f8c32362050c9b7ded2 # v4.32.2
+        uses: github/codeql-action/analyze@68bde559dea0fdcac2102bfdf6230c5f70eb485e # v4.35.4
--- a/.github/workflows/release-drafter.yml
+++ b/.github/workflows/release-drafter.yml
@@ -19,6 +19,8 @@ jobs:
      pull-requests: read
    steps:
      - name: 🚀 Run Release Drafter
-        uses: release-drafter/release-drafter@139054aeaa9adc52ab36ddf67437541f039b88e2 # v7.1.1
+        uses: release-drafter/release-drafter@c2e2804cc59f45f57076a99af580d0fedb697927 # v7.3.0
+        with:
+          commitish: ${{ github.sha }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -0,0 +1,113 @@
+name: Release
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: "Release version (e.g., 8.1.0)"
+        required: true
+        type: string
+
+permissions: {}
+
+jobs:
+  validate-release:
+    name: Validate release
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: Validate version and draft release
+        env:
+          GH_REPO: ${{ github.repository }}
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          VERSION: ${{ inputs.version }}
+          TAG: v${{ inputs.version }}
+        run: |
+          if [[ ! "$VERSION" =~ ^[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?$ ]]; then
+            echo "::error::Version must match MAJOR.MINOR.PATCH (e.g., 8.1.0)"
+            exit 1
+          fi
+
+          RELEASE_JSON=$(gh release view "$TAG" --json isDraft,targetCommitish 2>&1) || {
+            echo "::error::No release found for $TAG"
+            exit 1
+          }
+
+          IS_DRAFT=$(echo "$RELEASE_JSON" | jq -r '.isDraft')
+          TARGET=$(echo "$RELEASE_JSON" | jq -r '.targetCommitish')
+
+          if [[ "$IS_DRAFT" != "true" ]]; then
+            echo "::error::Release $TAG already exists and is not a draft"
+            exit 1
+          fi
+
+          if [[ "$TARGET" != "$GITHUB_SHA" ]]; then
+            echo "::error::Draft release target ($TARGET) does not match current commit ($GITHUB_SHA)"
+            exit 1
+          fi
+
+  release-gate:
+    # N.B. This name should not change, it is used for downstream checks.
+    name: release-gate
+    needs:
+      - validate-release
+    runs-on: ubuntu-latest
+    environment:
+      name: release-gate
+    steps:
+      - run: echo "Release approved"
+
+  create-deployment:
+    name: create-deployment
+    needs:
+      - validate-release
+      - release-gate
+    runs-on: ubuntu-latest
+    environment:
+      name: release
+    steps:
+      - run: echo "Release deployment created"
+
+  release:
+    name: Release
+    needs:
+      - validate-release
+      - release-gate
+      - create-deployment
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: Publish release
+        env:
+          GH_REPO: ${{ github.repository }}
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          VERSION: ${{ inputs.version }}
+          TAG: v${{ inputs.version }}
+        run: |
+          if [[ ! "$VERSION" =~ ^[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?$ ]]; then
+            echo "::error::Version must match MAJOR.MINOR.PATCH (e.g., 8.1.0)"
+            exit 1
+          fi
+
+          RELEASE_JSON=$(gh release view "$TAG" --json isDraft,targetCommitish 2>&1) || {
+            echo "::error::No release found for $TAG"
+            exit 1
+          }
+
+          IS_DRAFT=$(echo "$RELEASE_JSON" | jq -r '.isDraft')
+          TARGET=$(echo "$RELEASE_JSON" | jq -r '.targetCommitish')
+
+          if [[ "$IS_DRAFT" != "true" ]]; then
+            echo "::error::Release $TAG already exists and is not a draft"
+            exit 1
+          fi
+
+          if [[ "$TARGET" != "$GITHUB_SHA" ]]; then
+            echo "::error::Draft release target ($TARGET) does not match current commit ($GITHUB_SHA)"
+            exit 1
+          fi
+
+          echo "Publishing draft release $TAG"
+          gh release edit "$TAG" --draft=false
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -27,8 +27,8 @@ jobs:
      - name: Actionlint
        uses: eifinger/actionlint-action@7802e0cc3ab3f81cbffb36fb0bf1a3621d994b89 # v1.10.1
      - name: Run zizmor
-        uses: zizmorcore/zizmor-action@71321a20a9ded102f6e9ce5718a2fcec2c4f70d8 # v0.5.2
-      - uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
+        uses: zizmorcore/zizmor-action@b1d7e1fb5de872772f31590499237e7cce841e8e # v0.5.3
+      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
        with:
          node-version-file: .nvmrc
          cache: npm
@@ -430,6 +430,49 @@ jobs:
          PY
        shell: bash

+  test-activate-environment-no-project:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+      - name: Create incompatible pyproject.toml
+        run: |
+          cat > pyproject.toml <<'EOF'
+          [project]
+          name = "test-no-project"
+          version = "0.1.0"
+
+          [dependency-groups]
+          dev = [
+              "-e file:///${PROJECT_ROOT}/projects/pkg",
+          ]
+          EOF
+        shell: bash
+      - name: Install latest version with no-project
+        id: setup-uv
+        uses: ./
+        with:
+          python-version: 3.13.1t
+          activate-environment: true
+          no-project: true
+      - name: Verify packages can be installed
+        run: uv pip install pip
+        shell: bash
+      - name: Verify output venv is set
+        run: |
+          if [ -z "$UV_VENV" ]; then
+            echo "output venv is not set"
+            exit 1
+          fi
+          if [ ! -d "$UV_VENV" ]; then
+            echo "output venv not point to a directory: $UV_VENV"
+            exit 1
+          fi
+        shell: bash
+        env:
+          UV_VENV: ${{ steps.setup-uv.outputs.venv }}
+
  test-debian-unstable:
    runs-on: ubuntu-latest
    container: debian:unstable
@@ -1057,6 +1100,7 @@ jobs:
      - test-python-version
      - test-activate-environment
      - test-activate-environment-custom-path
+      - test-activate-environment-no-project
      - test-debian-unstable
      - test-musl
      - test-cache-key-os-version
--- a/.github/workflows/update-docs.yml
+++ b/.github/workflows/update-docs.yml
@@ -0,0 +1,69 @@
+name: "Update docs"
+on:
+  push:
+    tags:
+      - "v*.*.*"
+
+permissions: {}
+
+jobs:
+  update-docs:
+    runs-on: ubuntu-24.04-arm
+    permissions:
+      contents: write
+      pull-requests: write
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: true
+      - name: Get tag info
+        id: tag-info
+        run: |
+          TAG_NAME="${GITHUB_REF#refs/tags/}"
+          COMMIT_SHA=$(git rev-list -n 1 "$TAG_NAME")
+          echo "tag=$TAG_NAME" >> "$GITHUB_OUTPUT"
+          echo "sha=$COMMIT_SHA" >> "$GITHUB_OUTPUT"
+      - name: Update references in docs
+        run: |
+          OLD_REF=$(grep -oh 'astral-sh/setup-uv@[a-f0-9]\{40\} # v[0-9][^ ]*' README.md docs/*.md | head -1)
+          OLD_SHA=$(echo "$OLD_REF" | sed 's/astral-sh\/setup-uv@\([a-f0-9]*\) # .*/\1/')
+          OLD_VERSION=$(echo "$OLD_REF" | sed 's/astral-sh\/setup-uv@[a-f0-9]* # \(v[^ ]*\)/\1/')
+          echo "Replacing $OLD_SHA # $OLD_VERSION with $NEW_SHA # $NEW_VERSION"
+          find README.md docs/ -type f \( -name "*.md" \) -exec \
+            sed -i "s|$OLD_SHA # $OLD_VERSION|$NEW_SHA # $NEW_VERSION|g" {} +
+        env:
+          NEW_SHA: ${{ steps.tag-info.outputs.sha }}
+          NEW_VERSION: ${{ steps.tag-info.outputs.tag }}
+      - name: Check for changes
+        id: changes-exist
+        run: |
+          if [ -n "$(git status --porcelain)" ]; then
+              echo "changes-exist=true" >> "$GITHUB_OUTPUT"
+          else
+              echo "changes-exist=false" >> "$GITHUB_OUTPUT"
+          fi
+      - name: Commit and push changes
+        if: ${{ steps.changes-exist.outputs.changes-exist == 'true' }}
+        id: commit-and-push
+        continue-on-error: true
+        run: |
+          git config user.name "$GITHUB_ACTOR"
+          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
+          git add .
+          git commit -m "docs: update version references to $NEW_VERSION"
+          git push origin HEAD:refs/heads/main
+        env:
+          NEW_VERSION: ${{ steps.tag-info.outputs.tag }}
+      - name: Create Pull Request
+        if: ${{ steps.changes-exist.outputs.changes-exist == 'true' && steps.commit-and-push.outcome != 'success' }}
+        uses: peter-evans/create-pull-request@5f6978faf089d4d20b00c7766989d076bb2fc7f1 # v8.1.1
+        with:
+          commit-message: "docs: update version references to ${{ steps.tag-info.outputs.tag }}"
+          title: "docs: update version references to ${{ steps.tag-info.outputs.tag }}"
+          body: |
+            Update `uses: astral-sh/setup-uv@...` references in documentation to
+            `${{ steps.tag-info.outputs.sha }} # ${{ steps.tag-info.outputs.tag }}`.
+          base: main
+          labels: "automated-pr,update-docs"
+          branch: update-docs-${{ steps.tag-info.outputs.tag }}
+          delete-branch: true
--- a/.github/workflows/update-known-checksums.yml
+++ b/.github/workflows/update-known-checksums.yml
@@ -18,7 +18,7 @@ jobs:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          persist-credentials: true
-      - uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
+      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
        with:
          node-version-file: .nvmrc
          cache: npm
@@ -54,7 +54,7 @@ jobs:

      - name: Create Pull Request
        if: ${{ steps.changes-exist.outputs.changes-exist == 'true' && steps.commit-and-push.outcome != 'success' }}
-        uses: peter-evans/create-pull-request@c0f553fe549906ede9cf27b5156039d195d2ece0 # v8.1.0
+        uses: peter-evans/create-pull-request@5f6978faf089d4d20b00c7766989d076bb2fc7f1 # v8.1.1
        with:
          commit-message: "chore: update known checksums"
          title:
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -7,7 +7,7 @@ This repository is a TypeScript-based GitHub Action for installing `uv` in GitHu
  1. `npm ci --ignore-scripts`
  2. `npm run all`
 - `npm run check` uses Biome (not ESLint/Prettier) and rewrites files in place.
- User-facing changes are usually multi-file changes. If you add or change inputs, outputs, or behavior, update `action.yml`, the implementation in `src/`, tests in `__tests__/`, relevant docs/README, and then re-package.
+- User-facing changes are usually multi-file changes. If you add or change inputs, outputs, or behavior, update `action.yml`, `action-types.yml`, the implementation in `src/`, tests in `__tests__/`, relevant docs/README, and then re-package.
 - The easiest areas to regress are version resolution and caching. When touching them, add or update tests for precedence, cache invalidation, and cross-platform path behavior.
 - Workflow edits have extra CI-only checks (`actionlint` and `zizmor`); `npm run all` does not cover them.
 - Source is authored with bundler-friendly TypeScript, but published action artifacts in `dist/` are bundled as CommonJS for maximum GitHub Actions runtime compatibility with `@actions/*` dependencies.
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ Set up your GitHub Actions workflow with a specific version of [uv](https://docs

 ```yaml
 - name: Install the latest version of uv
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
 ```

 If you do not specify a version, this action will look for a [required-version](https://docs.astral.sh/uv/reference/settings/#required-version)
@@ -42,7 +42,7 @@ Have a look under [Advanced Configuration](#advanced-configuration) for detailed

 ```yaml
 - name: Install uv with all available options
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    # The version of uv to install (default: searches for version in config files, then latest)
    version: ""
@@ -62,6 +62,9 @@ Have a look under [Advanced Configuration](#advanced-configuration) for detailed
    # Custom path for the virtual environment when using activate-environment (default: .venv in the working directory)
    venv-path: ""

+    # Pass --no-project when creating the venv with activate-environment.
+    no-project: "false"
+
    # The directory to execute all commands in and look for files such as pyproject.toml
    working-directory: ""

@@ -139,7 +142,7 @@ This will override any python version specifications in `pyproject.toml` and `.p

 ```yaml
 - name: Install the latest version of uv and set the python version to 3.13t
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    python-version: 3.13t
 - run: uv pip install --python=3.13t pip
@@ -157,7 +160,7 @@ jobs:
    steps:
      - uses: actions/checkout@v5
      - name: Install the latest version of uv and set the python version
-        uses: astral-sh/setup-uv@v7
+        uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
        with:
          python-version: ${{ matrix.python-version }}
      - name: Test with python ${{ matrix.python-version }}
@@ -174,7 +177,7 @@ It also controls where [the venv gets created](#activate-environment), unless `v

 ```yaml
 - name: Install uv based on the config files in the working-directory
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    working-directory: my/subproject/dir
 ```
@@ -216,7 +219,7 @@ For example:
 - name: Checkout the repository
  uses: actions/checkout@main
 - name: Install the latest version of uv
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    enable-cache: true
 - name: Test
@@ -228,7 +231,7 @@ To install a specific version of Python, use

 ```yaml
 - name: Install the latest version of uv
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    enable-cache: true
 - name: Install Python 3.12
@@ -247,7 +250,7 @@ output:
  uses: actions/checkout@main
 - name: Install the default version of uv
  id: setup-uv
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
 - name: Print the installed version
  run: echo "Installed uv version is ${{ steps.setup-uv.outputs.uv-version }}"
 ```
--- a/tests/download/download-version.test.ts
+++ b/tests/download/download-version.test.ts
@@ -95,6 +95,35 @@ describe("download-version", () => {
      expect(mockGetAllVersions).toHaveBeenCalledWith(undefined);
    });

+    it("treats == exact pins as explicit versions", async () => {
+      const version = await resolveVersion("==0.9.26", undefined);
+
+      expect(version).toBe("0.9.26");
+      expect(mockGetAllVersions).not.toHaveBeenCalled();
+      expect(mockGetLatestVersion).not.toHaveBeenCalled();
+    });
+
+    it("uses latest for minimum-only ranges when using the highest strategy", async () => {
+      mockGetLatestVersion.mockResolvedValue("0.9.26");
+
+      const version = await resolveVersion(">=0.9.0", undefined, "highest");
+
+      expect(version).toBe("0.9.26");
+      expect(mockGetLatestVersion).toHaveBeenCalledTimes(1);
+      expect(mockGetLatestVersion).toHaveBeenCalledWith(undefined);
+      expect(mockGetAllVersions).not.toHaveBeenCalled();
+    });
+
+    it("uses the lowest compatible version when requested", async () => {
+      mockGetAllVersions.mockResolvedValue(["0.9.26", "0.9.25"]);
+
+      const version = await resolveVersion("^0.9.0", undefined, "lowest");
+
+      expect(version).toBe("0.9.25");
+      expect(mockGetAllVersions).toHaveBeenCalledTimes(1);
+      expect(mockGetAllVersions).toHaveBeenCalledWith(undefined);
+    });
+
    it("uses manifest-file when provided", async () => {
      mockGetAllVersions.mockResolvedValue(["0.9.26", "0.9.25"]);

@@ -194,7 +223,7 @@ describe("download-version", () => {
      );
    });

-    it("does not rewrite non-GitHub URLs", async () => {
+    it("does not send the token to non-GitHub URLs from the default manifest", async () => {
      mockGetArtifact.mockResolvedValue({
        archiveFormat: "tar.gz",
        checksum: "abc123",
@@ -212,8 +241,30 @@ describe("download-version", () => {
      expect(mockDownloadTool).toHaveBeenCalledWith(
        "https://example.com/uv.tar.gz",
        undefined,
+        undefined,
+      );
+    });
+
+    it("does not send the token to GitHub lookalike hosts", async () => {
+      mockGetArtifact.mockResolvedValue({
+        archiveFormat: "tar.gz",
+        checksum: "abc123",
+        downloadUrl: "https://github.com.evil.test/uv.tar.gz",
+      });
+
+      await downloadVersion(
+        "unknown-linux-gnu",
+        "x86_64",
+        "0.9.26",
+        undefined,
        "token",
      );
+
+      expect(mockDownloadTool).toHaveBeenCalledWith(
+        "https://github.com.evil.test/uv.tar.gz",
+        undefined,
+        undefined,
+      );
    });

    it("falls back to GitHub Releases when the mirror fails", async () => {
--- a/tests/version/requirements-file.test.ts
+++ b/tests/version/requirements-file.test.ts
@@ -1,5 +1,5 @@
 import { expect, test } from "@jest/globals";
-import { getUvVersionFromFile } from "../../src/version/resolve";
+import { getUvVersionFromFile } from "../../src/version/file-parser";

 test("ignores dependencies starting with uv", async () => {
  const parsedVersion = getUvVersionFromFile(
--- a/tests/version/requirements-hashes-file.test.ts
+++ b/tests/version/requirements-hashes-file.test.ts
@@ -1,5 +1,5 @@
 import { expect, test } from "@jest/globals";
-import { getUvVersionFromFile } from "../../src/version/resolve";
+import { getUvVersionFromFile } from "../../src/version/file-parser";

 test("ignores dependencies starting with uv", async () => {
  const parsedVersion = getUvVersionFromFile(
--- a/tests/version/version-request-resolver.test.ts
+++ b/tests/version/version-request-resolver.test.ts
@@ -0,0 +1,125 @@
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+import { afterEach, describe, expect, it } from "@jest/globals";
+import { resolveVersionRequest } from "../../src/version/version-request-resolver";
+
+const tempDirs: string[] = [];
+
+function createTempProject(files: Record<string, string> = {}): string {
+  const dir = fs.mkdtempSync(path.join(os.tmpdir(), "setup-uv-version-test-"));
+  tempDirs.push(dir);
+
+  for (const [relativePath, content] of Object.entries(files)) {
+    const filePath = path.join(dir, relativePath);
+    fs.mkdirSync(path.dirname(filePath), { recursive: true });
+    fs.writeFileSync(filePath, content);
+  }
+
+  return dir;
+}
+
+afterEach(() => {
+  for (const dir of tempDirs.splice(0)) {
+    fs.rmSync(dir, { force: true, recursive: true });
+  }
+});
+
+describe("resolveVersionRequest", () => {
+  it("prefers explicit input over version-file and workspace config", () => {
+    const workingDirectory = createTempProject({
+      ".tool-versions": "uv 0.4.0\n",
+      "pyproject.toml": `[tool.uv]\nrequired-version = "==0.5.14"\n`,
+      "uv.toml": `required-version = "==0.5.15"\n`,
+    });
+
+    const request = resolveVersionRequest({
+      version: "==0.6.0",
+      versionFile: path.join(workingDirectory, ".tool-versions"),
+      workingDirectory,
+    });
+
+    expect(request).toEqual({
+      source: "input",
+      specifier: "0.6.0",
+    });
+  });
+
+  it("uses .tool-versions when it is passed via version-file", () => {
+    const workingDirectory = createTempProject({
+      ".tool-versions": "uv 0.5.15\n",
+    });
+
+    const request = resolveVersionRequest({
+      versionFile: path.join(workingDirectory, ".tool-versions"),
+      workingDirectory,
+    });
+
+    expect(request).toEqual({
+      format: ".tool-versions",
+      source: "version-file",
+      sourcePath: path.join(workingDirectory, ".tool-versions"),
+      specifier: "0.5.15",
+    });
+  });
+
+  it("uses requirements.txt when it is passed via version-file", () => {
+    const workingDirectory = createTempProject({
+      "requirements.txt": "uv==0.6.17\nuvicorn==0.35.0\n",
+    });
+
+    const request = resolveVersionRequest({
+      versionFile: path.join(workingDirectory, "requirements.txt"),
+      workingDirectory,
+    });
+
+    expect(request).toEqual({
+      format: "requirements",
+      source: "version-file",
+      sourcePath: path.join(workingDirectory, "requirements.txt"),
+      specifier: "0.6.17",
+    });
+  });
+
+  it("prefers uv.toml over pyproject.toml during workspace discovery", () => {
+    const workingDirectory = createTempProject({
+      "pyproject.toml": `[tool.uv]\nrequired-version = "==0.5.14"\n`,
+      "uv.toml": `required-version = "==0.5.15"\n`,
+    });
+
+    const request = resolveVersionRequest({ workingDirectory });
+
+    expect(request).toEqual({
+      format: "uv.toml",
+      source: "uv.toml",
+      sourcePath: path.join(workingDirectory, "uv.toml"),
+      specifier: "0.5.15",
+    });
+  });
+
+  it("falls back to latest when no version source is found", () => {
+    const workingDirectory = createTempProject({});
+
+    const request = resolveVersionRequest({ workingDirectory });
+
+    expect(request).toEqual({
+      source: "default",
+      specifier: "latest",
+    });
+  });
+
+  it("throws when version-file does not resolve a version", () => {
+    const workingDirectory = createTempProject({
+      "requirements.txt": "uvicorn==0.35.0\n",
+    });
+
+    expect(() =>
+      resolveVersionRequest({
+        versionFile: path.join(workingDirectory, "requirements.txt"),
+        workingDirectory,
+      }),
+    ).toThrow(
+      `Could not determine uv version from file: ${path.join(workingDirectory, "requirements.txt")}`,
+    );
+  });
+});
--- a/action-types.yml
+++ b/action-types.yml
@@ -11,6 +11,8 @@ inputs:
    type: boolean
  venv-path:
    type: string
+  no-project:
+    type: boolean
  working-directory:
    type: string
  checksum:
--- a/action.yml
+++ b/action.yml
@@ -18,6 +18,9 @@ inputs:
  venv-path:
    description: "Custom path for the virtual environment when using activate-environment. Defaults to '.venv' in the working directory."
    default: ""
+  no-project:
+    description: "Pass --no-project when creating the venv with activate-environment."
+    default: "false"
  working-directory:
    description: "The directory to execute all commands in and look for files such as pyproject.toml"
    default: ${{ github.workspace }}
--- a/dist/save-cache/index.cjs
+++ b/dist/save-cache/index.cjs
@@ -62947,6 +62947,12 @@ function getConfigValueFromTomlFile(filePath, key) {
    return void 0;
  }
  const fileContent = import_node_fs2.default.readFileSync(filePath, "utf-8");
+  return getConfigValueFromTomlContent(filePath, fileContent, key);
+}
+function getConfigValueFromTomlContent(filePath, fileContent, key) {
+  if (!filePath.endsWith(".toml")) {
+    return void 0;
+  }
  if (filePath.endsWith("pyproject.toml")) {
    const tomlContent2 = parse2(fileContent);
    return tomlContent2?.tool?.uv?.[key];
@@ -62962,6 +62968,7 @@ function loadInputs() {
  const versionFile = getVersionFile(workingDirectory);
  const pythonVersion = getInput("python-version");
  const activateEnvironment = getBooleanInput("activate-environment");
+  const noProject = getBooleanInput("no-project");
  const venvPath = getVenvPath(workingDirectory, activateEnvironment);
  const checksum = getInput("checksum");
  const enableCache = getEnableCache();
@@ -62998,6 +63005,7 @@ function loadInputs() {
    ignoreEmptyWorkdir,
    ignoreNothingToCache,
    manifestFile,
+    noProject,
    pruneCache: pruneCache2,
    pythonDir,
    pythonVersion,
@@ -63212,7 +63220,7 @@ async function run() {
      } else {
        info("save-cache is false. Skipping save cache step.");
      }
-      await new Promise((resolve2) => setTimeout(resolve2, 50));
+      await new Promise((resolve2) => setTimeout(resolve2, 100));
      process.exit(0);
    }
  } catch (error2) {
--- a/dist/setup/index.cjs
+++ b/dist/setup/index.cjs
--- a/dist/update-known-checksums/index.cjs
+++ b/dist/update-known-checksums/index.cjs
@@ -44949,6 +44949,222 @@ var semver = __toESM(require_semver(), 1);

 // src/download/checksum/known-checksums.ts
 var KNOWN_CHECKSUMS = {
+  "aarch64-apple-darwin-0.11.14": "4333af5c0730d94323a7819bbdf87ce92dd07fc857d67fff0059e0fca31b5c02",
+  "aarch64-pc-windows-msvc-0.11.14": "d66c76ba912ba66fed011e0189dfbc4527dd9e620a2b5d5d5ecd2ad8936601b8",
+  "aarch64-unknown-linux-gnu-0.11.14": "c4958f729e216f1610632574ed927b8cf0af1bd02cb88cb30d948571727aee43",
+  "aarch64-unknown-linux-musl-0.11.14": "d7d3966e46915c5f6932692aaf152a2473eecb1d2517ca4f8e88a07484b380b6",
+  "arm-unknown-linux-musleabihf-0.11.14": "31b07fa8bc5bbc8f22064fc1d4238b53c663bdb4812cbfead0b43719571aec03",
+  "armv7-unknown-linux-gnueabihf-0.11.14": "2aca3925d7ad91d2e02a0f9cf75974ebd077ec5cb939a5eb66aba096d5666819",
+  "armv7-unknown-linux-musleabihf-0.11.14": "988d79544bbf55ebeaf6521d3cbf46957bcfbab998d22092ea860580639e2f30",
+  "i686-pc-windows-msvc-0.11.14": "579408a1134ec3c45dd7b94187978b98b15df4e0c49ebf05c52565e3858d9f2a",
+  "i686-unknown-linux-gnu-0.11.14": "8c93880c54dc7a632f602b7627d4338d80011ecf32e340fd2f67129df5325dc7",
+  "i686-unknown-linux-musl-0.11.14": "c84acf1036767797a7be97a3315122b9565a78bf90b5733741b1abeefa58387f",
+  "powerpc64le-unknown-linux-gnu-0.11.14": "d2da5ba5911b86dfec96f0737b7d1053ed78c0c65e51585db03fb4969b2a3825",
+  "riscv64gc-unknown-linux-gnu-0.11.14": "55731359293842826cd82d5fbd826a6bce542c3fec458214604e308b352560ed",
+  "riscv64gc-unknown-linux-musl-0.11.14": "86b053903d29a2d04441e4cbd05a8f690b8ec56f8959d27f15df13efffb5879b",
+  "s390x-unknown-linux-gnu-0.11.14": "cc7b233541a76dd484516a39c06d9d14100d1048708483e6f49ee20b6cc5761b",
+  "x86_64-apple-darwin-0.11.14": "9836c1440b0bd6aa5f81793648a339bd01d593b7b8f575de3b855dae4ab64654",
+  "x86_64-pc-windows-msvc-0.11.14": "52ba5d19409aaa688a8a1a6ec8dfb6a4817230d20186e75f4006105c3e39a846",
+  "x86_64-unknown-linux-gnu-0.11.14": "f3b623eb0e6141a7053d571d59a0bdc341e0f238ea8f5f0b4815ddbec9a2a296",
+  "x86_64-unknown-linux-musl-0.11.14": "077d36f45a0cc6d440b653b2d5c53e7731121e99e54b0221267eec5d1cae76ce",
+  "aarch64-apple-darwin-0.11.13": "196a58aa24da89144187670df7c407358028984537fbc2f8f2d8f7a2604980df",
+  "aarch64-pc-windows-msvc-0.11.13": "07c3c997020430a9f287fc05ff4c63fd5744eec49df5392a34731ed1a0971f2e",
+  "aarch64-unknown-linux-gnu-0.11.13": "12366407dc1fdba5179b10bd69c11ebfc2eff25791366089c0b2f5701056efc5",
+  "aarch64-unknown-linux-musl-0.11.13": "bea8a97b1b3ed41491e075c1f474e7f0249582aa3f62849c4e874b5f34ddc95e",
+  "arm-unknown-linux-musleabihf-0.11.13": "ee282adf170eb845821309ca6038fdd87a93dd25326f96efe6ea58a1b66a9064",
+  "armv7-unknown-linux-gnueabihf-0.11.13": "4761e38e3d5ca62e87ef13bc35ba169e6ebd126472482095405367b31be88945",
+  "armv7-unknown-linux-musleabihf-0.11.13": "d54342a96dda65339b4f7b9e6bb7a27b81aeeffca14e5dfa7911d00fe4a3ead9",
+  "i686-pc-windows-msvc-0.11.13": "a9b2d96a118a401c7dc5b717752a074b6324ddc9b36dcb2b60466a4e2912a3ba",
+  "i686-unknown-linux-gnu-0.11.13": "630774d3fd255a219a6eef58f004201737c60f4b282777fb99e599cd90567fe4",
+  "i686-unknown-linux-musl-0.11.13": "52cb28c81ca43ea5184f944c31555981cb29c03c2497fa848541af5ee4d8448f",
+  "powerpc64le-unknown-linux-gnu-0.11.13": "7f302104ea18a01381fe58434b593f887c4f10bc523ad50781de408fbec54354",
+  "riscv64gc-unknown-linux-gnu-0.11.13": "3264ce97b34d5c8d37c1e67821a74960ca89237e001253309a3cda25fb416040",
+  "riscv64gc-unknown-linux-musl-0.11.13": "44f23b8e59fd8628fb68383e4cbdf78c3cff02ed86d3dcea5605ebd7757ca363",
+  "s390x-unknown-linux-gnu-0.11.13": "e0e5e0a652650900d97f6a660bae526601033d9d071ca5dd9ca735442161ebed",
+  "x86_64-apple-darwin-0.11.13": "99aad3f4956f5b92efd83eca6d87bf03e10688899487ad541f904c9c25c61dc1",
+  "x86_64-pc-windows-msvc-0.11.13": "0953ac2ef4fbe47ad469bfa80b658a577a02c4d73a2fb9c4c7c70dda432efded",
+  "x86_64-unknown-linux-gnu-0.11.13": "f830ea3d38ae1492acf53cb7f2cd0f81d6ae22b42d2d7310a6c7d42c451e1a43",
+  "x86_64-unknown-linux-musl-0.11.13": "5635afc285df86ce6f05f3f22335f9548b0026e58531904482c9670a1c1c65d9",
+  "aarch64-apple-darwin-0.11.12": "bb7c6ef869ec00cd1452f4884acf23d00b153c356ba9197ae99a1bc1ceadb7f3",
+  "aarch64-pc-windows-msvc-0.11.12": "393de1abc2f663cb9dd24405c7a7b31119e2a734609a233d9b89415821f39bf9",
+  "aarch64-unknown-linux-gnu-0.11.12": "d6e3e5183e71bbd40400da3d2913743cefb98835d8312a5e7908c33865597515",
+  "aarch64-unknown-linux-musl-0.11.12": "b70e87f15f12d750d218042c4ed36e41de0757eab249d332ee2e242e4174b5d5",
+  "arm-unknown-linux-musleabihf-0.11.12": "c1991e652c345395eff3e43aaa0f2ce5d7f0c7ed0dd5a72dcb0a3c109289ac11",
+  "armv7-unknown-linux-gnueabihf-0.11.12": "432e6a96ecc976861dc884d96ac3aa3cc305abc3bb49d3204544477d4a290c64",
+  "armv7-unknown-linux-musleabihf-0.11.12": "a8855302bad162af78c8fa53f402128a3496b7806dc7201252e7f123eefed8b9",
+  "i686-pc-windows-msvc-0.11.12": "98efe2a4cb9529724639aac488c43b28753e738b0f4c679d3e2dea150e5a9b20",
+  "i686-unknown-linux-gnu-0.11.12": "22dbbbcd9088ad3ddefce9be142ce2b127b3950718222413e3890f7fbf4a567d",
+  "i686-unknown-linux-musl-0.11.12": "fc5ff3fef5facf01a664f0942f372988804bda1bb8c7f9e9642d9d29398cf129",
+  "powerpc64le-unknown-linux-gnu-0.11.12": "36619f91357b240648caed6557fe893922c7986319c070f4feb225e8f3180b49",
+  "riscv64gc-unknown-linux-gnu-0.11.12": "9bdcac006731a2094ad002d93c4fe84a259484e4d35566e29fcb76962961cef9",
+  "riscv64gc-unknown-linux-musl-0.11.12": "80012ba0aa3b21561c96edda003add87d9111daf3425e5cc3243957ca76ba396",
+  "s390x-unknown-linux-gnu-0.11.12": "c9ae09f73066fb9c48beaec2ab4ad2407ce94354c5224e2982196577d6bf4581",
+  "x86_64-apple-darwin-0.11.12": "32fb217e6181384bf6534b31adcc66cd552eff98643c4bb35832be8552486912",
+  "x86_64-pc-windows-msvc-0.11.12": "e46956a6b088a0382101c797eef945c1b03826e629e968d434cf838d42d85b6b",
+  "x86_64-unknown-linux-gnu-0.11.12": "9acdecddacba550ee616c02bb4616d894352022550c5977524556fd5077ce1d4",
+  "x86_64-unknown-linux-musl-0.11.12": "591a7557f5ba7e51565f338dd4c50cebc12820ec2ebb8403a4304685f8d53ab9",
+  "aarch64-apple-darwin-0.11.11": "3a185bf8f46a7b7c8b910d111825907b1638d0ae503cb3c333ae205772354046",
+  "aarch64-pc-windows-msvc-0.11.11": "3d8f05de7ed9de885299565f78832a13e443be51de86260f25edb7cfd0fa05f6",
+  "aarch64-unknown-linux-gnu-0.11.11": "155fe4d3b3cb4bfce118ab4b1380f71515ae874d13d9858171b4f9c26e16684d",
+  "aarch64-unknown-linux-musl-0.11.11": "0fc9a49b3900f77ffaccf3ff69a70ddbc1d479e70ac5d8fd6416a7577b03c5a1",
+  "arm-unknown-linux-musleabihf-0.11.11": "ef98cbcd50a62d063958740194497a44fc1dc07867b6fe001db1ab2e621f1f2e",
+  "armv7-unknown-linux-gnueabihf-0.11.11": "c102609d34c06bdec87896d738a0e91df21f71faf21ae4379c7a1d7c961879e1",
+  "armv7-unknown-linux-musleabihf-0.11.11": "6660651927263c587769697572f4843ac6ea91b2b2d24be1b9c8465e87d05b46",
+  "i686-pc-windows-msvc-0.11.11": "c230fccbe5737e1a54a2f77ff3116c88fbee21c9b437323907618931b767410e",
+  "i686-unknown-linux-gnu-0.11.11": "4be5e9901e87f90a9eb5ee11a08a8df2f637df76f3a2dcb11778991b7db9d9a2",
+  "i686-unknown-linux-musl-0.11.11": "d2ded13fbaf59f5f1d3363c47a7cafb73cb7454db1e16cea13365bc28c75522d",
+  "powerpc64le-unknown-linux-gnu-0.11.11": "5348415c8606e5efac5cb293d83d2ae71e43a2dcabf677c6a4cac965c1982c74",
+  "riscv64gc-unknown-linux-gnu-0.11.11": "0eadf068918b960e7bf62eda83613c08d99f0d002b8d475d3383993191554d04",
+  "riscv64gc-unknown-linux-musl-0.11.11": "0ee27ce77e32496bc46e01f1cbb730d13647cbca41934a5871bf2fe5fdc5ba39",
+  "s390x-unknown-linux-gnu-0.11.11": "f19c950a93b1f5af4108267743f3de61346250b35c60cc552fb4187b534af770",
+  "x86_64-apple-darwin-0.11.11": "57a1a8085b4088fbcbd5080c0c30723ba6d0692c89cd071c08a4209e8da602d1",
+  "x86_64-pc-windows-msvc-0.11.11": "2f75a0db2c3530b6b3c24434dc38137f61ff1f4e5f2d7b4ddc5bcd142cf58b65",
+  "x86_64-unknown-linux-gnu-0.11.11": "a767848254391855c96df271e9ca8b7f72dd172d310460447853d25d907b9ae0",
+  "x86_64-unknown-linux-musl-0.11.11": "80521f18ba83109acd17e0730bd8ff898c3426aa62252c627d63418b353e788a",
+  "aarch64-apple-darwin-0.11.10": "e93d6af7dfff7071edd16342ba9eeccfc28d8a7deaa5707efeecf63a63a74453",
+  "aarch64-pc-windows-msvc-0.11.10": "3d5878cfc55106083ada1e41cccdde477413701eb9d34767e8ad973bb0863de6",
+  "aarch64-unknown-linux-gnu-0.11.10": "91d5f4583539640765662ef86edcf3bf4db07439b622c7bed50c961240162046",
+  "aarch64-unknown-linux-musl-0.11.10": "14c21bef6b54d268c6583d851095a543e6cb03a8e4bdca9a44ab91532b14cbc2",
+  "arm-unknown-linux-musleabihf-0.11.10": "bea66b5dcfb3460a9a2c399033b071ec4a825ff3bf27c3fedc666dcbdc2354dd",
+  "armv7-unknown-linux-gnueabihf-0.11.10": "ba259f6c14b5653f1b36400fb8c7862e499a4537201edda76991f2b044014fdb",
+  "armv7-unknown-linux-musleabihf-0.11.10": "9d6e2ea60fae542e2bd9b36f44672e99fd941f7da0898533bc274329b001a055",
+  "i686-pc-windows-msvc-0.11.10": "d56ad43d355d6c40fee4009d0fb7e6710416ce9b25bebf12a4127e51b3595b3c",
+  "i686-unknown-linux-gnu-0.11.10": "ade0a830fd0b4b67c373c8ed1e46e5af2e312032ebbe15438beddeb5b1e4d8f3",
+  "i686-unknown-linux-musl-0.11.10": "fb2ba8c938247f82908acf6ad41a19935b36d0fe7bbe6945ac1ba1f6044756fc",
+  "powerpc64le-unknown-linux-gnu-0.11.10": "dfe5b338e2ebc1e5a2850a17bce35edb8e47550c221d9245c007eaf3003cb6ed",
+  "riscv64gc-unknown-linux-gnu-0.11.10": "0c8776a0814bf7e32e025d13c733c3a800171a16fba77d1c21e6f10be6a28d8b",
+  "riscv64gc-unknown-linux-musl-0.11.10": "8ae35c10dfcae262dee07c93a3d8d10c2ce597d4a152ba1a2f1385395a286ec3",
+  "s390x-unknown-linux-gnu-0.11.10": "66dfdc5a216a9fbd7c2541a66f753544dddbcbb2f7a597c9bbc91d10af534c7d",
+  "x86_64-apple-darwin-0.11.10": "8fd091211089973f528e147166e3af683ab4ecebd4312a55d0d17d87adbde67a",
+  "x86_64-pc-windows-msvc-0.11.10": "7a0c424c7bc55a74751f13592235953ebbe182fa00355f7ae3fb7ab734a51638",
+  "x86_64-unknown-linux-gnu-0.11.10": "077e1a0777bcf516e02f4ef245e269c8d1baa780438e4c50e09c5c997f85538a",
+  "x86_64-unknown-linux-musl-0.11.10": "e3e78e7698d72c133c5ce851a6d60ee83afdc4c0edced382af9fd1f8e11d0105",
+  "aarch64-apple-darwin-0.11.9": "7d02e5f206dcfb555284f8f6b8547890f0b8eb8987f44e9a0a2378cd23338733",
+  "aarch64-pc-windows-msvc-0.11.9": "93de7822f6214c704ec15db1b4d33eabd3709a0303ec068723d9f5f5aa99e9e7",
+  "aarch64-unknown-linux-gnu-0.11.9": "6d22be8d0d675668f657cee802a1344ea7941403f59eb2a6645ef316f69b4309",
+  "aarch64-unknown-linux-musl-0.11.9": "31abb258d8ec2196993b82e746365717a86e3d3d55502b4c60f384540bf16306",
+  "arm-unknown-linux-musleabihf-0.11.9": "60fd2f75fa0a927ce0373a9289e9490351be3142b00fb0e8da082ed652c7f23c",
+  "armv7-unknown-linux-gnueabihf-0.11.9": "074f216882a79506f56f65413932dba9032ca6100285a562c48965688857970e",
+  "armv7-unknown-linux-musleabihf-0.11.9": "0ebca62577232bab2c152fdd0fa81f78a28f8fd1f4f09689347759332aae996d",
+  "i686-pc-windows-msvc-0.11.9": "9dbb9bf746f00dd379e7e1bd544a5e1b48a5f36408f75a7f8c6c89a7a5e5506a",
+  "i686-unknown-linux-gnu-0.11.9": "84418c97aeadbbdb0b80090c43e29149c3d5c4a70c76ecffb738cd4a05d515d2",
+  "i686-unknown-linux-musl-0.11.9": "f724d184888a52714229584536a3219f0c2fa416944fd476b52c7f597d9b3625",
+  "powerpc64le-unknown-linux-gnu-0.11.9": "cbcdb1b6ee99ca69a572b75544dab484cd34e29109962f5945bb95ccd85d0d52",
+  "riscv64gc-unknown-linux-gnu-0.11.9": "a825d1e6b62ca69971c50e6e356ebe478f7616a7873d9f7d7e17fb3efacabef2",
+  "riscv64gc-unknown-linux-musl-0.11.9": "486b67c16381bb75d74daa86c091b36273cde617e0a2678e0b685b89047a6e6f",
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+  "aarch64-pc-windows-msvc-0.11.8": "bb48716e74e4998993f15bc57a55e4d0d73ccbd27a66d7cbed37605f7c67d747",
+  "aarch64-unknown-linux-gnu-0.11.8": "eee8dd658d20e5ac85fec9c2326b6cbc9d83a1eef09ef07433e58698ac849591",
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+  "x86_64-apple-darwin-0.11.7": "0a4bc8fcde4974ea3560be21772aeecab600a6f43fa6e58169f9fa7b3b71d302",
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+  "armv7-unknown-linux-musleabihf-0.11.6": "0677423d98cea5011d346d7d4a33a53360b99a51a04df4b45f67d43a8308c831",
+  "i686-pc-windows-msvc-0.11.6": "c5569da150166363389a719553d87f99e0c29e542b2c31bc8bd4aeeb8eb83d99",
+  "i686-unknown-linux-gnu-0.11.6": "b4bf8d78478b573c1816b17ec86da7ade14242cd68ac092c1701c5b4a75dc228",
+  "i686-unknown-linux-musl-0.11.6": "ca31705d93f48313d5ffdc23da165e680c6c5389d9a2cc62b85a1ed495e0331f",
+  "powerpc64le-unknown-linux-gnu-0.11.6": "153397d3d82e45e68fb1f4a40ee9898245ec8ed86fd03fcaacaf6e793316acf7",
+  "riscv64gc-unknown-linux-gnu-0.11.6": "0e3ead8667b51b07b5fb9d114bcd1914a5fe3159e6959a584dc2f89c6724e123",
+  "riscv64gc-unknown-linux-musl-0.11.6": "87d5932bffef3b7b9cba4a2a042f95edf75cd34555fc80cfa98cc5a4426635f9",
+  "s390x-unknown-linux-gnu-0.11.6": "6e3d4338da2db2c63326721f1eb3b4f32d9bde24aeff11208d397e1aeba8678e",
+  "x86_64-apple-darwin-0.11.6": "8e0ed5035eaa28c7c8cd2a46b5b9a05bfff1ef01dbdc090a010eb8fdf193a457",
+  "x86_64-pc-windows-msvc-0.11.6": "99aa60edd017a256dbf378f372d1cff3292dbc6696e0ea01716d9158d773ab77",
+  "x86_64-unknown-linux-gnu-0.11.6": "0c6bab77a67a445dc849ed5e8ee8d3cb333b6e2eba863643ce1e228075f27943",
+  "x86_64-unknown-linux-musl-0.11.6": "aa342a53abe42364093506d7704214d2cdca30b916843e520bc67759a5d20132",
+  "aarch64-apple-darwin-0.11.5": "470993e87503874c7c48861daa308b48a7c367e117235bbecf19368b9fdd35b2",
+  "aarch64-pc-windows-msvc-0.11.5": "9b9b99a985cccf249225aaad76412823e9d9736d605dc2252151172a7f6ab3db",
+  "aarch64-unknown-linux-gnu-0.11.5": "3e9b525d686ae4f3682412bce21536366a5c79616a41055530319c501c883169",
+  "aarch64-unknown-linux-musl-0.11.5": "d73860013061c62d6a89f3370527d4c407214038af331147773ae2fd8f6394c1",
+  "arm-unknown-linux-musleabihf-0.11.5": "dcfb4dc15f46eae90ac6d64e7dfc91d8bc0b16816f53b9f8d58ccc8a1220dbb8",
+  "armv7-unknown-linux-gnueabihf-0.11.5": "818d86386fb57ca4182f39df25dd6160e97300d5ba362bc44e25d8adc904776c",
+  "armv7-unknown-linux-musleabihf-0.11.5": "2cae8baae2c1b42249e656e16f5fe733189b0760ee93995be024f9cc5e72eb19",
+  "i686-pc-windows-msvc-0.11.5": "2057ccf3dba9ed23755df92318a08ab221e9e088385c667292acc09d9cc477c6",
+  "i686-unknown-linux-gnu-0.11.5": "2d340e2e5b3354ee7208bb8f2bbf4d2347d7ffdf2af733c21bee98746e34076d",
+  "i686-unknown-linux-musl-0.11.5": "ffe2bc9e0c4fdc18f69b7c5bc016a03fa17028d42620ab2b024ad5bb22cd3f3d",
+  "powerpc64le-unknown-linux-gnu-0.11.5": "c4dabaaa36a13989ab04389263064ca5c27093eb2e7c851ab62d50b6312d9800",
+  "riscv64gc-unknown-linux-gnu-0.11.5": "6ae3ec3cf1aab72604bc6aa8486faf4b473066422c49d9c42ea8366ff3039de4",
+  "riscv64gc-unknown-linux-musl-0.11.5": "d4686fb144563a40e791fc3f010a91e57fdce9cac7a03b8a14a972c25be4464c",
+  "s390x-unknown-linux-gnu-0.11.5": "1309f1e462462dab2da6a55c37012a228d1c06a55c5b43f8ef901ba1599d9e12",
+  "x86_64-apple-darwin-0.11.5": "b8964bed538143f9016d807e421e28f0237a29589851fc79e8159751ac64779a",
+  "x86_64-pc-windows-msvc-0.11.5": "3fa5b6ea9de9256a035e0471f5ef0bb5d95344659723d6eb063e27c76431515d",
+  "x86_64-unknown-linux-gnu-0.11.5": "0d87793f733f327849ebf9cf51b576cfb08328e22af73061405e4bec96ae84d1",
+  "x86_64-unknown-linux-musl-0.11.5": "ee8a52743ce3979e52872b49c5e58ffa541048cb95132142bff23fe5608d73ea",
+  "aarch64-apple-darwin-0.11.4": "9b9cb6c6f58c3246dbf3351ed4e97c500bc3266f5f237d2fd620b66e1c31dc56",
+  "aarch64-pc-windows-msvc-0.11.4": "708b1c210109e50ff520bcd9b6d29cbd8cee584bb55e84d3d1941bf75ab0893d",
+  "aarch64-unknown-linux-gnu-0.11.4": "f5aa91bba0b98d85a4e5262e2847f9ab2273c754f6374dff62b37ef18c65a2e7",
+  "aarch64-unknown-linux-musl-0.11.4": "a02ec7667d7bb1d33cdb7e1de22f7e4242967e3df7e350bac6212515e3bce8ac",
+  "arm-unknown-linux-musleabihf-0.11.4": "5bbc59d8c3d5fdade88fca47e4c18298e44a367e178e97e11466b22e992edae2",
+  "armv7-unknown-linux-gnueabihf-0.11.4": "9d2299155b65988643a55777c638408a0df8e65f606933d1e44691ada72ff106",
+  "armv7-unknown-linux-musleabihf-0.11.4": "43b1e02f8f4b27fd1d085fb14a246638bb607af32408cb13c5c3b3fb47db027f",
+  "i686-pc-windows-msvc-0.11.4": "661588b3607e6d5bb78551f596772a0d04a930ce128189c90800d07f6fca1998",
+  "i686-unknown-linux-gnu-0.11.4": "4248773a2574c3b697588655d7bf14f97baa744c3e156585230e5c711befa6ff",
+  "i686-unknown-linux-musl-0.11.4": "0323c08c1e7455cdf65c89296eda28bad9051cb09d16ea3ce1d0bf718143449e",
+  "powerpc64le-unknown-linux-gnu-0.11.4": "3ddb764538a5dcb4967d7375fde193ce5391e37ddd4d1242012d04cf3848479f",
+  "riscv64gc-unknown-linux-gnu-0.11.4": "93db93607a824d677c47003ee828936913cfdeb2c871bb34cd79c3ec4481e2b1",
+  "riscv64gc-unknown-linux-musl-0.11.4": "78f0d7f92244ce3d7a7a0df5fab2495450bcb18600b59acf1755e77cafed2300",
+  "s390x-unknown-linux-gnu-0.11.4": "07361e1fb32e870841a27d3d7b0b20c4a81e0cc25eeb8b9115425bfd227d2d05",
+  "x86_64-apple-darwin-0.11.4": "c326edaf3fd492f53d1c58777f3459c0d87bf9dae8d89e80aec4b0da6622dcf3",
+  "x86_64-pc-windows-msvc-0.11.4": "26d84455a40b0272b2ab4785cad298ff2c89cd0765b482e9f85b5a1bd880a863",
+  "x86_64-unknown-linux-gnu-0.11.4": "12f9a192bb32d70470aa22cbd2a193d1323a3f58f6ac5f9e3866aaca760c98c6",
+  "x86_64-unknown-linux-musl-0.11.4": "36ce1c5d8997db9b6a24d0f41646d5509b6d1d8b9448c7325f8248a6ea5d4b00",
+  "aarch64-apple-darwin-0.11.3": "2bc3d0c7bf2bd08325b1e170abac6f7e5b3346e1d4eab3370d17cefec934996f",
+  "aarch64-pc-windows-msvc-0.11.3": "e99c56f9ab5e1e1ddcaea3e2389990c94baf38e0d7cb2148de08baf2d3261d49",
+  "aarch64-unknown-linux-gnu-0.11.3": "711382e3158433f06b11d99afb440f4416359fc3c84558886d8ed8826a921bff",
+  "aarch64-unknown-linux-musl-0.11.3": "8ecec82cb9a744d5fabff6d16d7777218a7730f699d2aa0d2f751c17858e2efa",
+  "arm-unknown-linux-musleabihf-0.11.3": "3d021046a94ad11f12b9d83f36442a1a28e92e7149c3f79ba2951c96653dafac",
+  "armv7-unknown-linux-gnueabihf-0.11.3": "13c9a0f5f624275ccd36db2896607f4fee3585f420734b16f6c66d70e32aa458",
+  "armv7-unknown-linux-musleabihf-0.11.3": "260a88e2f00daab0363a745fde036a7881002d7a81094388f31925acb284110b",
+  "i686-pc-windows-msvc-0.11.3": "036fa39fa5ea3cb86c127324924b913b5858e8d91c4cb413edacfc3123001696",
+  "i686-unknown-linux-gnu-0.11.3": "b9410c8dae2fa0d4939af5b0ee7272d5591bd55890e8274dcf7f1aea84bfe043",
+  "i686-unknown-linux-musl-0.11.3": "afe533fd409105e753d844490c65a4375e75bfb3812e49122684f996bed9e90a",
+  "powerpc64le-unknown-linux-gnu-0.11.3": "5cdcadf4d50a5354312bc8ef37c2a6cfab4e2f13ccdf8380d3012b927b4ded95",
+  "riscv64gc-unknown-linux-gnu-0.11.3": "8271e07ed9695870f4b0ae5ec722e3ae08fff280068f08bc6a8ca76c67d7fefa",
+  "riscv64gc-unknown-linux-musl-0.11.3": "b750fc8393ced9939448849b05e94de6bf1e998bb7030c4ebe744b47b372bce9",
+  "s390x-unknown-linux-gnu-0.11.3": "6dc4f555a5f6515f7fddb281422d2a8a3943853dae5de837bbb5d996d7576c71",
+  "x86_64-apple-darwin-0.11.3": "b0e05e0b43a000fdc2132ee3f3400ba5dee427bc2337d3ec4eb8cf4f3d5722af",
+  "x86_64-pc-windows-msvc-0.11.3": "ae681c0aaec7cc96af184648cb88d73f8393ed60fa5880abdd6bdb910f9b227c",
+  "x86_64-unknown-linux-gnu-0.11.3": "c0f3236f146e55472663cfbcc9be3042a9f1092275bbe3fe2a56a6cbfd3da5ce",
+  "x86_64-unknown-linux-musl-0.11.3": "8b40cf16b849634b81a530a3d0a0bcae5f24996ef9ae782976fd69b6266d3b8e",
  "aarch64-apple-darwin-0.11.2": "4beaa9550f93ef7f0fc02f7c28c9c48cd61fe30db00f5ac8947e0a425c3fb282",
  "aarch64-pc-windows-msvc-0.11.2": "ffdded8338205f53727b51d404563a5ac8eaa9aea53279a7b7c42177e11d478c",
  "aarch64-unknown-linux-gnu-0.11.2": "04792cac761c4a6ba78267f36f2af541b7f92196d42ac55d21d3ff6b0f5ab6a5",
--- a/docs/advanced-version-configuration.md
+++ b/docs/advanced-version-configuration.md
@@ -6,7 +6,7 @@ This document covers advanced options for configuring which version of uv to ins

 ```yaml
 - name: Install the latest version of uv
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    version: "latest"
 ```
@@ -15,7 +15,7 @@ This document covers advanced options for configuring which version of uv to ins

 ```yaml
 - name: Install a specific version of uv
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    version: "0.4.4"
 ```
@@ -28,21 +28,21 @@ to install the latest version that satisfies the range.

 ```yaml
 - name: Install a semver range of uv
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    version: ">=0.4.0"
 ```

 ```yaml
 - name: Pinning a minor version of uv
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    version: "0.4.x"
 ```

 ```yaml
 - name: Install a pep440-specifier-satisfying version of uv
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    version: ">=0.4.25,<0.5"
 ```
@@ -54,7 +54,7 @@ You can change this behavior using the `resolution-strategy` input:

 ```yaml
 - name: Install the lowest compatible version of uv
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    version: ">=0.4.0"
    resolution-strategy: "lowest"
@@ -76,7 +76,7 @@ uv defined as a dependency in `pyproject.toml` or `requirements.txt`.

 ```yaml
 - name: Install uv based on the version defined in pyproject.toml
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    version-file: "pyproject.toml"
 ```
--- a/docs/caching.md
+++ b/docs/caching.md
@@ -23,7 +23,7 @@ The computed cache key is available as the `cache-key` output:
 ```yaml
 - name: Setup uv
  id: setup-uv
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    enable-cache: true
 - name: Print cache key
@@ -50,7 +50,7 @@ You can optionally define a custom cache key suffix.
 ```yaml
 - name: Enable caching and define a custom cache key suffix
  id: setup-uv
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    enable-cache: true
    cache-suffix: "optional-suffix"
@@ -89,7 +89,7 @@ changes. If you use relative paths, they are relative to the working directory.

 ```yaml
 - name: Define a cache dependency glob
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    enable-cache: true
    cache-dependency-glob: "**/pyproject.toml"
@@ -97,7 +97,7 @@ changes. If you use relative paths, they are relative to the working directory.

 ```yaml
 - name: Define a list of cache dependency globs
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    enable-cache: true
    cache-dependency-glob: |
@@ -107,7 +107,7 @@ changes. If you use relative paths, they are relative to the working directory.

 ```yaml
 - name: Define an absolute cache dependency glob
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    enable-cache: true
    cache-dependency-glob: "/tmp/my-folder/requirements*.txt"
@@ -115,7 +115,7 @@ changes. If you use relative paths, they are relative to the working directory.

 ```yaml
 - name: Never invalidate the cache
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    enable-cache: true
    cache-dependency-glob: ""
@@ -128,7 +128,7 @@ By default, the cache will be restored.

 ```yaml
 - name: Don't restore an existing cache
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    enable-cache: true
    restore-cache: false
@@ -142,7 +142,7 @@ By default, the cache will be saved.

 ```yaml
 - name: Don't save the cache after the run
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    enable-cache: true
    save-cache: false
@@ -168,7 +168,7 @@ It defaults to `setup-uv-cache` in the `TMP` dir, `D:\a\_temp\setup-uv-cache` on

 ```yaml
 - name: Define a custom uv cache path
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    cache-local-path: "/path/to/cache"
 ```
@@ -187,7 +187,7 @@ input.

 ```yaml
 - name: Don't prune the cache before saving it
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    enable-cache: true
    prune-cache: false
@@ -205,7 +205,7 @@ To force managed Python installs, set `UV_PYTHON_PREFERENCE=only-managed`.

 ```yaml
 - name: Cache Python installs
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    enable-cache: true
    cache-python: true
@@ -213,12 +213,17 @@ To force managed Python installs, set `UV_PYTHON_PREFERENCE=only-managed`.

 ## Ignore nothing to cache

-By default, the action will fail if caching is enabled but there is nothing to upload (the uv cache directory does not exist).
+By default, the action will fail if caching is enabled but there is nothing to upload (the uv cache directory does not exist) with an error like
+
+```console
+Error: Cache path /home/runner/.cache/uv does not exist on disk. This likely indicates that there are no dependencies to cache. Consider disabling the cache input if it is not needed.
+```
+
 If you want to ignore this, set the `ignore-nothing-to-cache` input to `true`.

 ```yaml
 - name: Ignore nothing to cache
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    enable-cache: true
    ignore-nothing-to-cache: true
--- a/docs/customization.md
+++ b/docs/customization.md
@@ -10,7 +10,7 @@ are automatically verified by this action. The sha256 hashes can be found on the

 ```yaml
 - name: Install a specific version and validate the checksum
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    version: "0.3.1"
    checksum: "e11b01402ab645392c7ad6044db63d37e4fd1e745e015306993b07695ea5f9f8"
@@ -39,7 +39,7 @@ The `archive_format` field is currently ignored.

 ```yaml
 - name: Use a custom manifest file
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    manifest-file: "https://example.com/my-custom-manifest.ndjson"
 ```
@@ -58,7 +58,7 @@ You can disable this by setting the `add-problem-matchers` input to `false`.

 ```yaml
 - name: Install the latest version of uv without problem matchers
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    add-problem-matchers: false
 ```
--- a/docs/environment-and-tools.md
+++ b/docs/environment-and-tools.md
@@ -9,7 +9,7 @@ This allows directly using it in later steps:

 ```yaml
 - name: Install the latest version of uv and activate the environment
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    activate-environment: true
 - run: uv pip install pip
@@ -20,7 +20,7 @@ By default, the venv is created at `.venv` inside the `working-directory`.
 You can customize the venv location with `venv-path`, for example to place it in the runner temp directory:

 ```yaml
- uses: astral-sh/setup-uv@v7
+- uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    activate-environment: true
    venv-path: ${{ runner.temp }}/custom-venv
@@ -51,7 +51,7 @@ are not sufficient, you can provide a custom GitHub token with the necessary per

 ```yaml
 - name: Install the latest version of uv with a custom GitHub token
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    github-token: ${{ secrets.CUSTOM_GITHUB_TOKEN }}
 ```
@@ -69,7 +69,7 @@ input:

 ```yaml
 - name: Install the latest version of uv with a custom tool dir
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    tool-dir: "/path/to/tool/dir"
 ```
@@ -88,7 +88,7 @@ If you want to change this behaviour (especially on self-hosted runners) you can

 ```yaml
 - name: Install the latest version of uv with a custom tool bin dir
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    tool-bin-dir: "/path/to/tool-bin/dir"
 ```
@@ -105,7 +105,7 @@ This action supports expanding the `~` character to the user's home directory fo

 ```yaml
 - name: Expand the tilde character
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    cache-local-path: "~/path/to/cache"
    tool-dir: "~/path/to/tool/dir"
@@ -122,7 +122,7 @@ If you want to ignore this, set the `ignore-empty-workdir` input to `true`.

 ```yaml
 - name: Ignore empty workdir
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    ignore-empty-workdir: true
 ```
@@ -145,7 +145,7 @@ This action sets several environment variables that influence uv's behavior and

 ```yaml
 - name: Example using environment variables
-  uses: astral-sh/setup-uv@v7
+  uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
  with:
    python-version: "3.12"
    tool-dir: "/custom/tool/dir"
--- a/src/download/checksum/known-checksums.ts
+++ b/src/download/checksum/known-checksums.ts
@@ -1,5 +1,437 @@
 // AUTOGENERATED_DO_NOT_EDIT
 export const KNOWN_CHECKSUMS: { [key: string]: string } = {
+  "aarch64-apple-darwin-0.11.14":
+    "4333af5c0730d94323a7819bbdf87ce92dd07fc857d67fff0059e0fca31b5c02",
+  "aarch64-pc-windows-msvc-0.11.14":
+    "d66c76ba912ba66fed011e0189dfbc4527dd9e620a2b5d5d5ecd2ad8936601b8",
+  "aarch64-unknown-linux-gnu-0.11.14":
+    "c4958f729e216f1610632574ed927b8cf0af1bd02cb88cb30d948571727aee43",
+  "aarch64-unknown-linux-musl-0.11.14":
+    "d7d3966e46915c5f6932692aaf152a2473eecb1d2517ca4f8e88a07484b380b6",
+  "arm-unknown-linux-musleabihf-0.11.14":
+    "31b07fa8bc5bbc8f22064fc1d4238b53c663bdb4812cbfead0b43719571aec03",
+  "armv7-unknown-linux-gnueabihf-0.11.14":
+    "2aca3925d7ad91d2e02a0f9cf75974ebd077ec5cb939a5eb66aba096d5666819",
+  "armv7-unknown-linux-musleabihf-0.11.14":
+    "988d79544bbf55ebeaf6521d3cbf46957bcfbab998d22092ea860580639e2f30",
+  "i686-pc-windows-msvc-0.11.14":
+    "579408a1134ec3c45dd7b94187978b98b15df4e0c49ebf05c52565e3858d9f2a",
+  "i686-unknown-linux-gnu-0.11.14":
+    "8c93880c54dc7a632f602b7627d4338d80011ecf32e340fd2f67129df5325dc7",
+  "i686-unknown-linux-musl-0.11.14":
+    "c84acf1036767797a7be97a3315122b9565a78bf90b5733741b1abeefa58387f",
+  "powerpc64le-unknown-linux-gnu-0.11.14":
+    "d2da5ba5911b86dfec96f0737b7d1053ed78c0c65e51585db03fb4969b2a3825",
+  "riscv64gc-unknown-linux-gnu-0.11.14":
+    "55731359293842826cd82d5fbd826a6bce542c3fec458214604e308b352560ed",
+  "riscv64gc-unknown-linux-musl-0.11.14":
+    "86b053903d29a2d04441e4cbd05a8f690b8ec56f8959d27f15df13efffb5879b",
+  "s390x-unknown-linux-gnu-0.11.14":
+    "cc7b233541a76dd484516a39c06d9d14100d1048708483e6f49ee20b6cc5761b",
+  "x86_64-apple-darwin-0.11.14":
+    "9836c1440b0bd6aa5f81793648a339bd01d593b7b8f575de3b855dae4ab64654",
+  "x86_64-pc-windows-msvc-0.11.14":
+    "52ba5d19409aaa688a8a1a6ec8dfb6a4817230d20186e75f4006105c3e39a846",
+  "x86_64-unknown-linux-gnu-0.11.14":
+    "f3b623eb0e6141a7053d571d59a0bdc341e0f238ea8f5f0b4815ddbec9a2a296",
+  "x86_64-unknown-linux-musl-0.11.14":
+    "077d36f45a0cc6d440b653b2d5c53e7731121e99e54b0221267eec5d1cae76ce",
+  "aarch64-apple-darwin-0.11.13":
+    "196a58aa24da89144187670df7c407358028984537fbc2f8f2d8f7a2604980df",
+  "aarch64-pc-windows-msvc-0.11.13":
+    "07c3c997020430a9f287fc05ff4c63fd5744eec49df5392a34731ed1a0971f2e",
+  "aarch64-unknown-linux-gnu-0.11.13":
+    "12366407dc1fdba5179b10bd69c11ebfc2eff25791366089c0b2f5701056efc5",
+  "aarch64-unknown-linux-musl-0.11.13":
+    "bea8a97b1b3ed41491e075c1f474e7f0249582aa3f62849c4e874b5f34ddc95e",
+  "arm-unknown-linux-musleabihf-0.11.13":
+    "ee282adf170eb845821309ca6038fdd87a93dd25326f96efe6ea58a1b66a9064",
+  "armv7-unknown-linux-gnueabihf-0.11.13":
+    "4761e38e3d5ca62e87ef13bc35ba169e6ebd126472482095405367b31be88945",
+  "armv7-unknown-linux-musleabihf-0.11.13":
+    "d54342a96dda65339b4f7b9e6bb7a27b81aeeffca14e5dfa7911d00fe4a3ead9",
+  "i686-pc-windows-msvc-0.11.13":
+    "a9b2d96a118a401c7dc5b717752a074b6324ddc9b36dcb2b60466a4e2912a3ba",
+  "i686-unknown-linux-gnu-0.11.13":
+    "630774d3fd255a219a6eef58f004201737c60f4b282777fb99e599cd90567fe4",
+  "i686-unknown-linux-musl-0.11.13":
+    "52cb28c81ca43ea5184f944c31555981cb29c03c2497fa848541af5ee4d8448f",
+  "powerpc64le-unknown-linux-gnu-0.11.13":
+    "7f302104ea18a01381fe58434b593f887c4f10bc523ad50781de408fbec54354",
+  "riscv64gc-unknown-linux-gnu-0.11.13":
+    "3264ce97b34d5c8d37c1e67821a74960ca89237e001253309a3cda25fb416040",
+  "riscv64gc-unknown-linux-musl-0.11.13":
+    "44f23b8e59fd8628fb68383e4cbdf78c3cff02ed86d3dcea5605ebd7757ca363",
+  "s390x-unknown-linux-gnu-0.11.13":
+    "e0e5e0a652650900d97f6a660bae526601033d9d071ca5dd9ca735442161ebed",
+  "x86_64-apple-darwin-0.11.13":
+    "99aad3f4956f5b92efd83eca6d87bf03e10688899487ad541f904c9c25c61dc1",
+  "x86_64-pc-windows-msvc-0.11.13":
+    "0953ac2ef4fbe47ad469bfa80b658a577a02c4d73a2fb9c4c7c70dda432efded",
+  "x86_64-unknown-linux-gnu-0.11.13":
+    "f830ea3d38ae1492acf53cb7f2cd0f81d6ae22b42d2d7310a6c7d42c451e1a43",
+  "x86_64-unknown-linux-musl-0.11.13":
+    "5635afc285df86ce6f05f3f22335f9548b0026e58531904482c9670a1c1c65d9",
+  "aarch64-apple-darwin-0.11.12":
+    "bb7c6ef869ec00cd1452f4884acf23d00b153c356ba9197ae99a1bc1ceadb7f3",
+  "aarch64-pc-windows-msvc-0.11.12":
+    "393de1abc2f663cb9dd24405c7a7b31119e2a734609a233d9b89415821f39bf9",
+  "aarch64-unknown-linux-gnu-0.11.12":
+    "d6e3e5183e71bbd40400da3d2913743cefb98835d8312a5e7908c33865597515",
+  "aarch64-unknown-linux-musl-0.11.12":
+    "b70e87f15f12d750d218042c4ed36e41de0757eab249d332ee2e242e4174b5d5",
+  "arm-unknown-linux-musleabihf-0.11.12":
+    "c1991e652c345395eff3e43aaa0f2ce5d7f0c7ed0dd5a72dcb0a3c109289ac11",
+  "armv7-unknown-linux-gnueabihf-0.11.12":
+    "432e6a96ecc976861dc884d96ac3aa3cc305abc3bb49d3204544477d4a290c64",
+  "armv7-unknown-linux-musleabihf-0.11.12":
+    "a8855302bad162af78c8fa53f402128a3496b7806dc7201252e7f123eefed8b9",
+  "i686-pc-windows-msvc-0.11.12":
+    "98efe2a4cb9529724639aac488c43b28753e738b0f4c679d3e2dea150e5a9b20",
+  "i686-unknown-linux-gnu-0.11.12":
+    "22dbbbcd9088ad3ddefce9be142ce2b127b3950718222413e3890f7fbf4a567d",
+  "i686-unknown-linux-musl-0.11.12":
+    "fc5ff3fef5facf01a664f0942f372988804bda1bb8c7f9e9642d9d29398cf129",
+  "powerpc64le-unknown-linux-gnu-0.11.12":
+    "36619f91357b240648caed6557fe893922c7986319c070f4feb225e8f3180b49",
+  "riscv64gc-unknown-linux-gnu-0.11.12":
+    "9bdcac006731a2094ad002d93c4fe84a259484e4d35566e29fcb76962961cef9",
+  "riscv64gc-unknown-linux-musl-0.11.12":
+    "80012ba0aa3b21561c96edda003add87d9111daf3425e5cc3243957ca76ba396",
+  "s390x-unknown-linux-gnu-0.11.12":
+    "c9ae09f73066fb9c48beaec2ab4ad2407ce94354c5224e2982196577d6bf4581",
+  "x86_64-apple-darwin-0.11.12":
+    "32fb217e6181384bf6534b31adcc66cd552eff98643c4bb35832be8552486912",
+  "x86_64-pc-windows-msvc-0.11.12":
+    "e46956a6b088a0382101c797eef945c1b03826e629e968d434cf838d42d85b6b",
+  "x86_64-unknown-linux-gnu-0.11.12":
+    "9acdecddacba550ee616c02bb4616d894352022550c5977524556fd5077ce1d4",
+  "x86_64-unknown-linux-musl-0.11.12":
+    "591a7557f5ba7e51565f338dd4c50cebc12820ec2ebb8403a4304685f8d53ab9",
+  "aarch64-apple-darwin-0.11.11":
+    "3a185bf8f46a7b7c8b910d111825907b1638d0ae503cb3c333ae205772354046",
+  "aarch64-pc-windows-msvc-0.11.11":
+    "3d8f05de7ed9de885299565f78832a13e443be51de86260f25edb7cfd0fa05f6",
+  "aarch64-unknown-linux-gnu-0.11.11":
+    "155fe4d3b3cb4bfce118ab4b1380f71515ae874d13d9858171b4f9c26e16684d",
+  "aarch64-unknown-linux-musl-0.11.11":
+    "0fc9a49b3900f77ffaccf3ff69a70ddbc1d479e70ac5d8fd6416a7577b03c5a1",
+  "arm-unknown-linux-musleabihf-0.11.11":
+    "ef98cbcd50a62d063958740194497a44fc1dc07867b6fe001db1ab2e621f1f2e",
+  "armv7-unknown-linux-gnueabihf-0.11.11":
+    "c102609d34c06bdec87896d738a0e91df21f71faf21ae4379c7a1d7c961879e1",
+  "armv7-unknown-linux-musleabihf-0.11.11":
+    "6660651927263c587769697572f4843ac6ea91b2b2d24be1b9c8465e87d05b46",
+  "i686-pc-windows-msvc-0.11.11":
+    "c230fccbe5737e1a54a2f77ff3116c88fbee21c9b437323907618931b767410e",
+  "i686-unknown-linux-gnu-0.11.11":
+    "4be5e9901e87f90a9eb5ee11a08a8df2f637df76f3a2dcb11778991b7db9d9a2",
+  "i686-unknown-linux-musl-0.11.11":
+    "d2ded13fbaf59f5f1d3363c47a7cafb73cb7454db1e16cea13365bc28c75522d",
+  "powerpc64le-unknown-linux-gnu-0.11.11":
+    "5348415c8606e5efac5cb293d83d2ae71e43a2dcabf677c6a4cac965c1982c74",
+  "riscv64gc-unknown-linux-gnu-0.11.11":
+    "0eadf068918b960e7bf62eda83613c08d99f0d002b8d475d3383993191554d04",
+  "riscv64gc-unknown-linux-musl-0.11.11":
+    "0ee27ce77e32496bc46e01f1cbb730d13647cbca41934a5871bf2fe5fdc5ba39",
+  "s390x-unknown-linux-gnu-0.11.11":
+    "f19c950a93b1f5af4108267743f3de61346250b35c60cc552fb4187b534af770",
+  "x86_64-apple-darwin-0.11.11":
+    "57a1a8085b4088fbcbd5080c0c30723ba6d0692c89cd071c08a4209e8da602d1",
+  "x86_64-pc-windows-msvc-0.11.11":
+    "2f75a0db2c3530b6b3c24434dc38137f61ff1f4e5f2d7b4ddc5bcd142cf58b65",
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+  "s390x-unknown-linux-gnu-0.11.4":
+    "07361e1fb32e870841a27d3d7b0b20c4a81e0cc25eeb8b9115425bfd227d2d05",
+  "x86_64-apple-darwin-0.11.4":
+    "c326edaf3fd492f53d1c58777f3459c0d87bf9dae8d89e80aec4b0da6622dcf3",
+  "x86_64-pc-windows-msvc-0.11.4":
+    "26d84455a40b0272b2ab4785cad298ff2c89cd0765b482e9f85b5a1bd880a863",
+  "x86_64-unknown-linux-gnu-0.11.4":
+    "12f9a192bb32d70470aa22cbd2a193d1323a3f58f6ac5f9e3866aaca760c98c6",
+  "x86_64-unknown-linux-musl-0.11.4":
+    "36ce1c5d8997db9b6a24d0f41646d5509b6d1d8b9448c7325f8248a6ea5d4b00",
+  "aarch64-apple-darwin-0.11.3":
+    "2bc3d0c7bf2bd08325b1e170abac6f7e5b3346e1d4eab3370d17cefec934996f",
+  "aarch64-pc-windows-msvc-0.11.3":
+    "e99c56f9ab5e1e1ddcaea3e2389990c94baf38e0d7cb2148de08baf2d3261d49",
+  "aarch64-unknown-linux-gnu-0.11.3":
+    "711382e3158433f06b11d99afb440f4416359fc3c84558886d8ed8826a921bff",
+  "aarch64-unknown-linux-musl-0.11.3":
+    "8ecec82cb9a744d5fabff6d16d7777218a7730f699d2aa0d2f751c17858e2efa",
+  "arm-unknown-linux-musleabihf-0.11.3":
+    "3d021046a94ad11f12b9d83f36442a1a28e92e7149c3f79ba2951c96653dafac",
+  "armv7-unknown-linux-gnueabihf-0.11.3":
+    "13c9a0f5f624275ccd36db2896607f4fee3585f420734b16f6c66d70e32aa458",
+  "armv7-unknown-linux-musleabihf-0.11.3":
+    "260a88e2f00daab0363a745fde036a7881002d7a81094388f31925acb284110b",
+  "i686-pc-windows-msvc-0.11.3":
+    "036fa39fa5ea3cb86c127324924b913b5858e8d91c4cb413edacfc3123001696",
+  "i686-unknown-linux-gnu-0.11.3":
+    "b9410c8dae2fa0d4939af5b0ee7272d5591bd55890e8274dcf7f1aea84bfe043",
+  "i686-unknown-linux-musl-0.11.3":
+    "afe533fd409105e753d844490c65a4375e75bfb3812e49122684f996bed9e90a",
+  "powerpc64le-unknown-linux-gnu-0.11.3":
+    "5cdcadf4d50a5354312bc8ef37c2a6cfab4e2f13ccdf8380d3012b927b4ded95",
+  "riscv64gc-unknown-linux-gnu-0.11.3":
+    "8271e07ed9695870f4b0ae5ec722e3ae08fff280068f08bc6a8ca76c67d7fefa",
+  "riscv64gc-unknown-linux-musl-0.11.3":
+    "b750fc8393ced9939448849b05e94de6bf1e998bb7030c4ebe744b47b372bce9",
+  "s390x-unknown-linux-gnu-0.11.3":
+    "6dc4f555a5f6515f7fddb281422d2a8a3943853dae5de837bbb5d996d7576c71",
+  "x86_64-apple-darwin-0.11.3":
+    "b0e05e0b43a000fdc2132ee3f3400ba5dee427bc2337d3ec4eb8cf4f3d5722af",
+  "x86_64-pc-windows-msvc-0.11.3":
+    "ae681c0aaec7cc96af184648cb88d73f8393ed60fa5880abdd6bdb910f9b227c",
+  "x86_64-unknown-linux-gnu-0.11.3":
+    "c0f3236f146e55472663cfbcc9be3042a9f1092275bbe3fe2a56a6cbfd3da5ce",
+  "x86_64-unknown-linux-musl-0.11.3":
+    "8b40cf16b849634b81a530a3d0a0bcae5f24996ef9ae782976fd69b6266d3b8e",
  "aarch64-apple-darwin-0.11.2":
    "4beaa9550f93ef7f0fc02f7c28c9c48cd61fe30db00f5ac8947e0a425c3fb282",
  "aarch64-pc-windows-msvc-0.11.2":
--- a/src/download/download-version.ts
+++ b/src/download/download-version.ts
@@ -2,8 +2,6 @@ import { promises as fs } from "node:fs";
 import * as path from "node:path";
 import * as core from "@actions/core";
 import * as tc from "@actions/tool-cache";
-import * as pep440 from "@renovatebot/pep440";
-import * as semver from "semver";
 import {
  ASTRAL_MIRROR_PREFIX,
  GITHUB_RELEASES_PREFIX,
@@ -12,7 +10,9 @@ import {
 } from "../utils/constants";
 import type { Architecture, Platform } from "../utils/platforms";
 import { validateChecksum } from "./checksum/checksum";
-import { getAllVersions, getArtifact, getLatestVersion } from "./manifest";
+import { getArtifact } from "./manifest";
+
+export { resolveVersion } from "../version/resolve";

 export function tryGetFromToolCache(
  arch: Architecture,
@@ -54,8 +54,6 @@ export async function downloadVersion(

  const mirrorUrl = rewriteToMirror(artifact.downloadUrl);
  const downloadUrl = mirrorUrl ?? artifact.downloadUrl;
-  // Don't send the GitHub token to the Astral mirror.
-  const downloadToken = mirrorUrl !== undefined ? undefined : githubToken;

  try {
    return await downloadArtifact(
@@ -65,7 +63,7 @@ export async function downloadVersion(
      arch,
      version,
      resolvedChecksum,
-      downloadToken,
+      githubTokenForUrl(downloadUrl, githubToken),
    );
  } catch (err) {
    if (mirrorUrl === undefined) {
@@ -83,7 +81,7 @@ export async function downloadVersion(
      arch,
      version,
      resolvedChecksum,
-      githubToken,
+      githubTokenForUrl(artifact.downloadUrl, githubToken),
    );
  }
 }
@@ -100,6 +98,19 @@ export function rewriteToMirror(url: string): string | undefined {
  return ASTRAL_MIRROR_PREFIX + url.slice(GITHUB_RELEASES_PREFIX.length);
 }

+function githubTokenForUrl(
+  downloadUrl: string,
+  githubToken: string,
+): string | undefined {
+  try {
+    return new URL(downloadUrl).origin === "https://github.com"
+      ? githubToken
+      : undefined;
+  } catch {
+    return undefined;
+  }
+}
+
 async function downloadArtifact(
  downloadUrl: string,
  artifactName: string,
@@ -172,102 +183,3 @@ function resolveChecksum(
 function getExtension(platform: Platform): string {
  return platform === "pc-windows-msvc" ? ".zip" : ".tar.gz";
 }
-
-export async function resolveVersion(
-  versionInput: string,
-  manifestUrl: string | undefined,
-  resolutionStrategy: "highest" | "lowest" = "highest",
-): Promise<string> {
-  core.debug(`Resolving version: ${versionInput}`);
-  const isSimpleMinimumVersionSpecifier =
-    versionInput.includes(">") && !versionInput.includes(",");
-  const resolveVersionSpecifierToLatest =
-    isSimpleMinimumVersionSpecifier && resolutionStrategy === "highest";
-
-  if (resolveVersionSpecifierToLatest) {
-    core.info("Found minimum version specifier, using latest version");
-  }
-
-  const version =
-    versionInput === "latest" || resolveVersionSpecifierToLatest
-      ? await getLatestVersion(manifestUrl)
-      : versionInput;
-
-  if (tc.isExplicitVersion(version)) {
-    core.debug(`Version ${version} is an explicit version.`);
-    if (
-      resolveVersionSpecifierToLatest &&
-      !pep440.satisfies(version, versionInput)
-    ) {
-      throw new Error(`No version found for ${versionInput}`);
-    }
-    return version;
-  }
-
-  const availableVersions = await getAvailableVersions(manifestUrl);
-  core.debug(`Available versions: ${availableVersions}`);
-  const resolvedVersion =
-    resolutionStrategy === "lowest"
-      ? minSatisfying(availableVersions, version)
-      : maxSatisfying(availableVersions, version);
-
-  if (resolvedVersion === undefined) {
-    throw new Error(`No version found for ${version}`);
-  }
-
-  return resolvedVersion;
-}
-
-async function getAvailableVersions(
-  manifestUrl: string | undefined,
-): Promise<string[]> {
-  if (manifestUrl !== undefined) {
-    core.info(
-      `Getting available versions from manifest-file ${manifestUrl} ...`,
-    );
-  } else {
-    core.info(`Getting available versions from ${VERSIONS_MANIFEST_URL} ...`);
-  }
-
-  return await getAllVersions(manifestUrl);
-}
-
-function maxSatisfying(
-  versions: string[],
-  version: string,
-): string | undefined {
-  const maxSemver = tc.evaluateVersions(versions, version);
-  if (maxSemver !== "") {
-    core.debug(`Found a version that satisfies the semver range: ${maxSemver}`);
-    return maxSemver;
-  }
-  const maxPep440 = pep440.maxSatisfying(versions, version);
-  if (maxPep440 !== null) {
-    core.debug(
-      `Found a version that satisfies the pep440 specifier: ${maxPep440}`,
-    );
-    return maxPep440;
-  }
-  return undefined;
-}
-
-function minSatisfying(
-  versions: string[],
-  version: string,
-): string | undefined {
-  // For semver, we need to use a different approach since tc.evaluateVersions only returns max
-  // Let's use semver directly for min satisfying
-  const minSemver = semver.minSatisfying(versions, version);
-  if (minSemver !== null) {
-    core.debug(`Found a version that satisfies the semver range: ${minSemver}`);
-    return minSemver;
-  }
-  const minPep440 = pep440.minSatisfying(versions, version);
-  if (minPep440 !== null) {
-    core.debug(
-      `Found a version that satisfies the pep440 specifier: ${minPep440}`,
-    );
-    return minPep440;
-  }
-  return undefined;
-}
--- a/src/download/manifest.ts
+++ b/src/download/manifest.ts
@@ -111,6 +111,9 @@ export async function getLatestVersion(
 export async function getAllVersions(
  manifestUrl: string = VERSIONS_MANIFEST_URL,
 ): Promise<string[]> {
+  core.info(
+    `Getting available versions from ${manifestSource(manifestUrl)} ...`,
+  );
  const versions = await fetchManifest(manifestUrl);
  return versions.map((versionData) => versionData.version);
 }
@@ -165,6 +168,14 @@ export function clearManifestCache(manifestUrl?: string): void {
  cachedManifestData.delete(manifestUrl);
 }

+function manifestSource(manifestUrl: string): string {
+  if (manifestUrl === VERSIONS_MANIFEST_URL) {
+    return VERSIONS_MANIFEST_URL;
+  }
+
+  return `manifest-file ${manifestUrl}`;
+}
+
 function isManifestVersion(value: unknown): value is ManifestVersion {
  if (!isRecord(value)) {
    return false;
--- a/src/save-cache.ts
+++ b/src/save-cache.ts
@@ -20,8 +20,8 @@ export async function run(): Promise<void> {
      } else {
        core.info("save-cache is false. Skipping save cache step.");
      }
-      // https://github.com/nodejs/node/issues/56645#issuecomment-3077594952
-      await new Promise((resolve) => setTimeout(resolve, 50));
+      // https://github.com/nodejs/node/issues/56645#issuecomment-3924958861
+      await new Promise((resolve) => setTimeout(resolve, 100));

      // node will stay alive if any promises are not resolved,
      // which is a possibility if HTTP requests are dangling
--- a/src/setup-uv.ts
+++ b/src/setup-uv.ts
@@ -5,7 +5,6 @@ import * as exec from "@actions/exec";
 import { restoreCache } from "./cache/restore-cache";
 import {
  downloadVersion,
-  resolveVersion,
  tryGetFromToolCache,
 } from "./download/download-version";
 import { STATE_UV_PATH, STATE_UV_VERSION } from "./utils/constants";
@@ -16,7 +15,7 @@ import {
  getPlatform,
  type Platform,
 } from "./utils/platforms";
-import { getUvVersionFromFile } from "./version/resolve";
+import { resolveUvVersion } from "./version/resolve";

 const sourceDir = __dirname;

@@ -85,8 +84,8 @@ async function run(): Promise<void> {
    if (inputs.enableCache) {
      await restoreCache(inputs, detectedPythonVersion);
    }
-    // https://github.com/nodejs/node/issues/56645#issuecomment-3077594952
-    await new Promise((resolve) => setTimeout(resolve, 50));
+    // https://github.com/nodejs/node/issues/56645#issuecomment-3924958861
+    await new Promise((resolve) => setTimeout(resolve, 100));
    process.exit(0);
  } catch (err) {
    core.setFailed((err as Error).message);
@@ -112,7 +111,13 @@ async function setupUv(
  platform: Platform,
  arch: Architecture,
 ): Promise<{ uvDir: string; version: string }> {
-  const resolvedVersion = await determineVersion(inputs);
+  const resolvedVersion = await resolveUvVersion({
+    manifestFile: inputs.manifestFile,
+    resolutionStrategy: inputs.resolutionStrategy,
+    version: inputs.version,
+    versionFile: inputs.versionFile,
+    workingDirectory: inputs.workingDirectory,
+  });
  const toolCacheResult = tryGetFromToolCache(arch, resolvedVersion);
  if (toolCacheResult.installedPath) {
    core.info(`Found uv in tool-cache for ${toolCacheResult.version}`);
@@ -137,45 +142,6 @@ async function setupUv(
  };
 }

-async function determineVersion(inputs: SetupInputs): Promise<string> {
-  return await resolveVersion(
-    getRequestedVersion(inputs),
-    inputs.manifestFile,
-    inputs.resolutionStrategy,
-  );
-}
-
-function getRequestedVersion(inputs: SetupInputs): string {
-  if (inputs.version !== "") {
-    return inputs.version;
-  }
-
-  if (inputs.versionFile !== "") {
-    const versionFromFile = getUvVersionFromFile(inputs.versionFile);
-    if (versionFromFile === undefined) {
-      throw new Error(
-        `Could not determine uv version from file: ${inputs.versionFile}`,
-      );
-    }
-    return versionFromFile;
-  }
-
-  const versionFromUvToml = getUvVersionFromFile(
-    `${inputs.workingDirectory}${path.sep}uv.toml`,
-  );
-  const versionFromPyproject = getUvVersionFromFile(
-    `${inputs.workingDirectory}${path.sep}pyproject.toml`,
-  );
-
-  if (versionFromUvToml === undefined && versionFromPyproject === undefined) {
-    core.info(
-      "Could not determine uv version from uv.toml or pyproject.toml. Falling back to latest.",
-    );
-  }
-
-  return versionFromUvToml || versionFromPyproject || "latest";
-}
-
 function addUvToPathAndOutput(cachedPath: string): void {
  core.setOutput("uv-path", `${cachedPath}${path.sep}uv`);
  core.saveState(STATE_UV_PATH, `${cachedPath}${path.sep}uv`);
@@ -252,13 +218,17 @@ async function activateEnvironment(inputs: SetupInputs): Promise<void> {
    }

    core.info(`Creating and activating python venv at ${inputs.venvPath}...`);
-    await exec.exec("uv", [
+    const venvArgs = [
      "venv",
      inputs.venvPath,
      "--directory",
      inputs.workingDirectory,
      "--clear",
-    ]);
+    ];
+    if (inputs.noProject) {
+      venvArgs.push("--no-project");
+    }
+    await exec.exec("uv", venvArgs);

    let venvBinPath = `${inputs.venvPath}${path.sep}bin`;
    if (process.platform === "win32") {
--- a/src/utils/config-file.ts
+++ b/src/utils/config-file.ts
@@ -8,7 +8,19 @@ export function getConfigValueFromTomlFile(
  if (!fs.existsSync(filePath) || !filePath.endsWith(".toml")) {
    return undefined;
  }
+
  const fileContent = fs.readFileSync(filePath, "utf-8");
+  return getConfigValueFromTomlContent(filePath, fileContent, key);
+}
+
+export function getConfigValueFromTomlContent(
+  filePath: string,
+  fileContent: string,
+  key: string,
+): string | undefined {
+  if (!filePath.endsWith(".toml")) {
+    return undefined;
+  }

  if (filePath.endsWith("pyproject.toml")) {
    const tomlContent = toml.parse(fileContent) as {
@@ -16,6 +28,7 @@ export function getConfigValueFromTomlFile(
    };
    return tomlContent?.tool?.uv?.[key];
  }
+
  const tomlContent = toml.parse(fileContent) as Record<
    string,
    string | undefined
--- a/src/utils/inputs.ts
+++ b/src/utils/inputs.ts
@@ -22,6 +22,7 @@ export interface SetupInputs {
  versionFile: string;
  pythonVersion: string;
  activateEnvironment: boolean;
+  noProject: boolean;
  venvPath: string;
  checksum: string;
  enableCache: boolean;
@@ -49,6 +50,7 @@ export function loadInputs(): SetupInputs {
  const versionFile = getVersionFile(workingDirectory);
  const pythonVersion = core.getInput("python-version");
  const activateEnvironment = core.getBooleanInput("activate-environment");
+  const noProject = core.getBooleanInput("no-project");
  const venvPath = getVenvPath(workingDirectory, activateEnvironment);
  const checksum = core.getInput("checksum");
  const enableCache = getEnableCache();
@@ -87,6 +89,7 @@ export function loadInputs(): SetupInputs {
    ignoreEmptyWorkdir,
    ignoreNothingToCache,
    manifestFile,
+    noProject,
    pruneCache,
    pythonDir,
    pythonVersion,
--- a/src/version/file-parser.ts
+++ b/src/version/file-parser.ts
@@ -0,0 +1,103 @@
+import fs from "node:fs";
+import * as core from "@actions/core";
+import { getConfigValueFromTomlContent } from "../utils/config-file";
+import {
+  getUvVersionFromParsedPyproject,
+  getUvVersionFromRequirementsText,
+  parsePyprojectContent,
+} from "./requirements-file";
+import { normalizeVersionSpecifier } from "./specifier";
+import { getUvVersionFromToolVersions } from "./tool-versions-file";
+import type { ParsedVersionFile, VersionFileFormat } from "./types";
+
+interface VersionFileParser {
+  format: VersionFileFormat;
+  parse(filePath: string): string | undefined;
+  supports(filePath: string): boolean;
+}
+
+const VERSION_FILE_PARSERS: VersionFileParser[] = [
+  {
+    format: ".tool-versions",
+    parse: (filePath) => getUvVersionFromToolVersions(filePath),
+    supports: (filePath) => filePath.endsWith(".tool-versions"),
+  },
+  {
+    format: "uv.toml",
+    parse: (filePath) => {
+      const fileContent = fs.readFileSync(filePath, "utf-8");
+      return getConfigValueFromTomlContent(
+        filePath,
+        fileContent,
+        "required-version",
+      );
+    },
+    supports: (filePath) => filePath.endsWith("uv.toml"),
+  },
+  {
+    format: "pyproject.toml",
+    parse: (filePath) => {
+      const fileContent = fs.readFileSync(filePath, "utf-8");
+      const pyproject = parsePyprojectContent(fileContent);
+      const requiredVersion = pyproject.tool?.uv?.["required-version"];
+
+      if (requiredVersion !== undefined) {
+        return requiredVersion;
+      }
+
+      return getUvVersionFromParsedPyproject(pyproject);
+    },
+    supports: (filePath) => filePath.endsWith("pyproject.toml"),
+  },
+  {
+    format: "requirements",
+    parse: (filePath) => {
+      const fileContent = fs.readFileSync(filePath, "utf-8");
+      return getUvVersionFromRequirementsText(fileContent);
+    },
+    supports: (filePath) => filePath.endsWith(".txt"),
+  },
+];
+
+export function getParsedVersionFile(
+  filePath: string,
+): ParsedVersionFile | undefined {
+  core.info(`Trying to find version for uv in: ${filePath}`);
+
+  if (!fs.existsSync(filePath)) {
+    core.info(`Could not find file: ${filePath}`);
+    return undefined;
+  }
+
+  const parser = getVersionFileParser(filePath);
+  if (parser === undefined) {
+    return undefined;
+  }
+
+  try {
+    const specifier = parser.parse(filePath);
+    if (specifier === undefined) {
+      return undefined;
+    }
+
+    const normalizedSpecifier = normalizeVersionSpecifier(specifier);
+    core.info(`Found version for uv in ${filePath}: ${normalizedSpecifier}`);
+    return {
+      format: parser.format,
+      specifier: normalizedSpecifier,
+    };
+  } catch (error) {
+    core.warning(
+      `Error while parsing ${filePath}: ${(error as Error).message}`,
+    );
+    return undefined;
+  }
+}
+
+export function getUvVersionFromFile(filePath: string): string | undefined {
+  return getParsedVersionFile(filePath)?.specifier;
+}
+
+function getVersionFileParser(filePath: string): VersionFileParser | undefined {
+  return VERSION_FILE_PARSERS.find((parser) => parser.supports(filePath));
+}
--- a/src/version/requirements-file.ts
+++ b/src/version/requirements-file.ts
@@ -5,31 +5,23 @@ export function getUvVersionFromRequirementsFile(
  filePath: string,
 ): string | undefined {
  const fileContent = fs.readFileSync(filePath, "utf-8");
+
  if (filePath.endsWith(".txt")) {
-    return getUvVersionFromAllDependencies(fileContent.split("\n"));
+    return getUvVersionFromRequirementsText(fileContent);
  }
-  const dependencies = parsePyprojectDependencies(fileContent);
-  return getUvVersionFromAllDependencies(dependencies);
+
+  return getUvVersionFromPyprojectContent(fileContent);
 }
-function getUvVersionFromAllDependencies(
-  allDependencies: string[],
+
+export function getUvVersionFromRequirementsText(
+  fileContent: string,
 ): string | undefined {
-  return allDependencies
-    .find((dep: string) => dep.match(/^uv[=<>~!]/))
-    ?.match(/^uv([=<>~!]+\S*)/)?.[1]
-    .trim();
+  return getUvVersionFromAllDependencies(fileContent.split("\n"));
 }

-interface Pyproject {
-  project?: {
-    dependencies?: string[];
-    "optional-dependencies"?: Record<string, string[]>;
-  };
-  "dependency-groups"?: Record<string, Array<string | object>>;
-}
-
-function parsePyprojectDependencies(pyprojectContent: string): string[] {
-  const pyproject: Pyproject = toml.parse(pyprojectContent);
+export function getUvVersionFromParsedPyproject(
+  pyproject: Pyproject,
+): string | undefined {
  const dependencies: string[] = pyproject?.project?.dependencies || [];
  const optionalDependencies: string[] = Object.values(
    pyproject?.project?.["optional-dependencies"] || {},
@@ -39,5 +31,39 @@ function parsePyprojectDependencies(pyprojectContent: string): string[] {
  )
    .flat()
    .filter((item: string | object) => typeof item === "string");
-  return dependencies.concat(optionalDependencies, devDependencies);
+
+  return getUvVersionFromAllDependencies(
+    dependencies.concat(optionalDependencies, devDependencies),
+  );
+}
+
+export function getUvVersionFromPyprojectContent(
+  pyprojectContent: string,
+): string | undefined {
+  const pyproject = parsePyprojectContent(pyprojectContent);
+  return getUvVersionFromParsedPyproject(pyproject);
+}
+
+export interface Pyproject {
+  project?: {
+    dependencies?: string[];
+    "optional-dependencies"?: Record<string, string[]>;
+  };
+  "dependency-groups"?: Record<string, Array<string | object>>;
+  tool?: {
+    uv?: Record<string, string | undefined>;
+  };
+}
+
+export function parsePyprojectContent(pyprojectContent: string): Pyproject {
+  return toml.parse(pyprojectContent) as Pyproject;
+}
+
+function getUvVersionFromAllDependencies(
+  allDependencies: string[],
+): string | undefined {
+  return allDependencies
+    .find((dep: string) => dep.match(/^uv[=<>~!]/))
+    ?.match(/^uv([=<>~!]+\S*)/)?.[1]
+    .trim();
 }
--- a/src/version/resolve.ts
+++ b/src/version/resolve.ts
@@ -1,34 +1,183 @@
-import fs from "node:fs";
 import * as core from "@actions/core";
-import { getConfigValueFromTomlFile } from "../utils/config-file";
-import { getUvVersionFromRequirementsFile } from "./requirements-file";
-import { getUvVersionFromToolVersions } from "./tool-versions-file";
+import * as tc from "@actions/tool-cache";
+import * as pep440 from "@renovatebot/pep440";
+import * as semver from "semver";
+import { getAllVersions, getLatestVersion } from "../download/manifest";
+import type { ResolutionStrategy } from "../utils/inputs";
+import {
+  type ParsedVersionSpecifier,
+  parseVersionSpecifier,
+} from "./specifier";
+import type { ResolveUvVersionOptions } from "./types";
+import { resolveVersionRequest } from "./version-request-resolver";

-export function getUvVersionFromFile(filePath: string): string | undefined {
-  core.info(`Trying to find version for uv in: ${filePath}`);
-  if (!fs.existsSync(filePath)) {
-    core.info(`Could not find file: ${filePath}`);
-    return undefined;
-  }
-  let uvVersion: string | undefined;
-  try {
-    uvVersion = getUvVersionFromToolVersions(filePath);
-    if (uvVersion === undefined) {
-      uvVersion = getConfigValueFromTomlFile(filePath, "required-version");
-    }
-    if (uvVersion === undefined) {
-      uvVersion = getUvVersionFromRequirementsFile(filePath);
-    }
-  } catch (err) {
-    const message = (err as Error).message;
-    core.warning(`Error while parsing ${filePath}: ${message}`);
-    return undefined;
-  }
-  if (uvVersion?.startsWith("==")) {
-    uvVersion = uvVersion.slice(2);
-  }
-  if (uvVersion !== undefined) {
-    core.info(`Found version for uv in ${filePath}: ${uvVersion}`);
-  }
-  return uvVersion;
+interface ConcreteVersionResolutionContext {
+  manifestUrl?: string;
+  parsedSpecifier: ParsedVersionSpecifier;
+  resolutionStrategy: ResolutionStrategy;
+}
+
+interface ConcreteVersionResolver {
+  resolve(
+    context: ConcreteVersionResolutionContext,
+  ): Promise<string | undefined>;
+}
+
+class ExactVersionResolver implements ConcreteVersionResolver {
+  async resolve(
+    context: ConcreteVersionResolutionContext,
+  ): Promise<string | undefined> {
+    if (context.parsedSpecifier.kind !== "exact") {
+      return undefined;
+    }
+
+    core.debug(
+      `Version ${context.parsedSpecifier.normalized} is an explicit version.`,
+    );
+    return context.parsedSpecifier.normalized;
+  }
+}
+
+class LatestVersionResolver implements ConcreteVersionResolver {
+  async resolve(
+    context: ConcreteVersionResolutionContext,
+  ): Promise<string | undefined> {
+    const shouldUseLatestVersion =
+      context.parsedSpecifier.kind === "latest" ||
+      (context.parsedSpecifier.kind === "range" &&
+        context.parsedSpecifier.isSimpleMinimumVersionSpecifier &&
+        context.resolutionStrategy === "highest");
+
+    if (!shouldUseLatestVersion) {
+      return undefined;
+    }
+
+    if (
+      context.parsedSpecifier.kind === "range" &&
+      context.parsedSpecifier.isSimpleMinimumVersionSpecifier
+    ) {
+      core.info("Found minimum version specifier, using latest version");
+    }
+
+    const latestVersion = await getLatestVersion(context.manifestUrl);
+
+    if (
+      context.parsedSpecifier.kind === "range" &&
+      context.parsedSpecifier.isSimpleMinimumVersionSpecifier &&
+      !pep440.satisfies(latestVersion, context.parsedSpecifier.raw)
+    ) {
+      throw new Error(`No version found for ${context.parsedSpecifier.raw}`);
+    }
+
+    return latestVersion;
+  }
+}
+
+class RangeVersionResolver implements ConcreteVersionResolver {
+  async resolve(
+    context: ConcreteVersionResolutionContext,
+  ): Promise<string | undefined> {
+    if (context.parsedSpecifier.kind !== "range") {
+      return undefined;
+    }
+
+    const availableVersions = await getAllVersions(context.manifestUrl);
+    core.debug(`Available versions: ${availableVersions}`);
+
+    const resolvedVersion =
+      context.resolutionStrategy === "lowest"
+        ? minSatisfying(availableVersions, context.parsedSpecifier.normalized)
+        : maxSatisfying(availableVersions, context.parsedSpecifier.normalized);
+
+    if (resolvedVersion === undefined) {
+      throw new Error(`No version found for ${context.parsedSpecifier.raw}`);
+    }
+
+    return resolvedVersion;
+  }
+}
+
+const CONCRETE_VERSION_RESOLVERS: ConcreteVersionResolver[] = [
+  new ExactVersionResolver(),
+  new LatestVersionResolver(),
+  new RangeVersionResolver(),
+];
+
+export async function resolveUvVersion(
+  options: ResolveUvVersionOptions,
+): Promise<string> {
+  const request = resolveVersionRequest(options);
+  const resolutionStrategy = options.resolutionStrategy ?? "highest";
+  const version = await resolveVersion(
+    request.specifier,
+    options.manifestFile,
+    resolutionStrategy,
+  );
+
+  return version;
+}
+
+export async function resolveVersion(
+  versionInput: string,
+  manifestUrl: string | undefined,
+  resolutionStrategy: ResolutionStrategy = "highest",
+): Promise<string> {
+  core.debug(`Resolving version: ${versionInput}`);
+
+  const context: ConcreteVersionResolutionContext = {
+    manifestUrl,
+    parsedSpecifier: parseVersionSpecifier(versionInput),
+    resolutionStrategy,
+  };
+
+  for (const resolver of CONCRETE_VERSION_RESOLVERS) {
+    const version = await resolver.resolve(context);
+    if (version !== undefined) {
+      return version;
+    }
+  }
+
+  throw new Error(`No version found for ${versionInput}`);
+}
+
+function maxSatisfying(
+  versions: string[],
+  version: string,
+): string | undefined {
+  const maxSemver = tc.evaluateVersions(versions, version);
+  if (maxSemver !== "") {
+    core.debug(`Found a version that satisfies the semver range: ${maxSemver}`);
+    return maxSemver;
+  }
+
+  const maxPep440 = pep440.maxSatisfying(versions, version);
+  if (maxPep440 !== null) {
+    core.debug(
+      `Found a version that satisfies the pep440 specifier: ${maxPep440}`,
+    );
+    return maxPep440;
+  }
+
+  return undefined;
+}
+
+function minSatisfying(
+  versions: string[],
+  version: string,
+): string | undefined {
+  const minSemver = semver.minSatisfying(versions, version);
+  if (minSemver !== null) {
+    core.debug(`Found a version that satisfies the semver range: ${minSemver}`);
+    return minSemver;
+  }
+
+  const minPep440 = pep440.minSatisfying(versions, version);
+  if (minPep440 !== null) {
+    core.debug(
+      `Found a version that satisfies the pep440 specifier: ${minPep440}`,
+    );
+    return minPep440;
+  }
+
+  return undefined;
 }
--- a/src/version/specifier.ts
+++ b/src/version/specifier.ts
@@ -0,0 +1,59 @@
+import * as tc from "@actions/tool-cache";
+
+export type ParsedVersionSpecifier =
+  | {
+      kind: "exact";
+      normalized: string;
+      raw: string;
+    }
+  | {
+      kind: "latest";
+      normalized: "latest";
+      raw: string;
+    }
+  | {
+      isSimpleMinimumVersionSpecifier: boolean;
+      kind: "range";
+      normalized: string;
+      raw: string;
+    };
+
+export function normalizeVersionSpecifier(specifier: string): string {
+  const trimmedSpecifier = specifier.trim();
+
+  if (trimmedSpecifier.startsWith("==")) {
+    return trimmedSpecifier.slice(2);
+  }
+
+  return trimmedSpecifier;
+}
+
+export function parseVersionSpecifier(
+  specifier: string,
+): ParsedVersionSpecifier {
+  const raw = specifier.trim();
+  const normalized = normalizeVersionSpecifier(raw);
+
+  if (normalized === "latest") {
+    return {
+      kind: "latest",
+      normalized: "latest",
+      raw,
+    };
+  }
+
+  if (tc.isExplicitVersion(normalized)) {
+    return {
+      kind: "exact",
+      normalized,
+      raw,
+    };
+  }
+
+  return {
+    isSimpleMinimumVersionSpecifier: raw.includes(">") && !raw.includes(","),
+    kind: "range",
+    normalized,
+    raw,
+  };
+}
--- a/src/version/types.ts
+++ b/src/version/types.ts
@@ -0,0 +1,34 @@
+import type { ResolutionStrategy } from "../utils/inputs";
+
+export type VersionSource =
+  | "input"
+  | "version-file"
+  | "uv.toml"
+  | "pyproject.toml"
+  | "default";
+
+export type VersionFileFormat =
+  | ".tool-versions"
+  | "pyproject.toml"
+  | "requirements"
+  | "uv.toml";
+
+export interface ParsedVersionFile {
+  format: VersionFileFormat;
+  specifier: string;
+}
+
+export interface ResolveUvVersionOptions {
+  manifestFile?: string;
+  resolutionStrategy?: ResolutionStrategy;
+  version?: string;
+  versionFile?: string;
+  workingDirectory: string;
+}
+
+export interface VersionRequest {
+  format?: VersionFileFormat;
+  source: VersionSource;
+  sourcePath?: string;
+  specifier: string;
+}
--- a/src/version/version-request-resolver.ts
+++ b/src/version/version-request-resolver.ts
@@ -0,0 +1,158 @@
+import * as path from "node:path";
+import * as core from "@actions/core";
+import { getParsedVersionFile } from "./file-parser";
+import { normalizeVersionSpecifier } from "./specifier";
+import type {
+  ParsedVersionFile,
+  ResolveUvVersionOptions,
+  VersionRequest,
+} from "./types";
+
+export interface VersionRequestResolver {
+  resolve(context: VersionRequestContext): VersionRequest | undefined;
+}
+
+export class VersionRequestContext {
+  readonly version: string | undefined;
+  readonly versionFile: string | undefined;
+  readonly workingDirectory: string;
+
+  private readonly parsedFiles = new Map<
+    string,
+    ParsedVersionFile | undefined
+  >();
+
+  constructor(
+    version: string | undefined,
+    versionFile: string | undefined,
+    workingDirectory: string,
+  ) {
+    this.version = version;
+    this.versionFile = versionFile;
+    this.workingDirectory = workingDirectory;
+  }
+
+  getVersionFile(filePath: string): ParsedVersionFile | undefined {
+    const cachedResult = this.parsedFiles.get(filePath);
+    if (cachedResult !== undefined || this.parsedFiles.has(filePath)) {
+      return cachedResult;
+    }
+
+    const result = getParsedVersionFile(filePath);
+    this.parsedFiles.set(filePath, result);
+    return result;
+  }
+
+  getWorkspaceCandidates(): Array<{
+    source: "pyproject.toml" | "uv.toml";
+    sourcePath: string;
+  }> {
+    return [
+      {
+        source: "uv.toml",
+        sourcePath: path.join(this.workingDirectory, "uv.toml"),
+      },
+      {
+        source: "pyproject.toml",
+        sourcePath: path.join(this.workingDirectory, "pyproject.toml"),
+      },
+    ];
+  }
+}
+
+export class ExplicitInputVersionResolver implements VersionRequestResolver {
+  resolve(context: VersionRequestContext): VersionRequest | undefined {
+    if (context.version === undefined) {
+      return undefined;
+    }
+
+    return {
+      source: "input",
+      specifier: normalizeVersionSpecifier(context.version),
+    };
+  }
+}
+
+export class VersionFileVersionResolver implements VersionRequestResolver {
+  resolve(context: VersionRequestContext): VersionRequest | undefined {
+    if (context.versionFile === undefined) {
+      return undefined;
+    }
+
+    const versionFile = context.getVersionFile(context.versionFile);
+    if (versionFile === undefined) {
+      throw new Error(
+        `Could not determine uv version from file: ${context.versionFile}`,
+      );
+    }
+
+    return {
+      format: versionFile.format,
+      source: "version-file",
+      sourcePath: context.versionFile,
+      specifier: versionFile.specifier,
+    };
+  }
+}
+
+export class WorkspaceVersionResolver implements VersionRequestResolver {
+  resolve(context: VersionRequestContext): VersionRequest | undefined {
+    for (const candidate of context.getWorkspaceCandidates()) {
+      const versionFile = context.getVersionFile(candidate.sourcePath);
+      if (versionFile === undefined) {
+        continue;
+      }
+
+      return {
+        format: versionFile.format,
+        source: candidate.source,
+        sourcePath: candidate.sourcePath,
+        specifier: versionFile.specifier,
+      };
+    }
+
+    core.info(
+      "Could not determine uv version from uv.toml or pyproject.toml. Falling back to latest.",
+    );
+    return undefined;
+  }
+}
+
+export class LatestVersionResolver implements VersionRequestResolver {
+  resolve(): VersionRequest {
+    return {
+      source: "default",
+      specifier: "latest",
+    };
+  }
+}
+
+const VERSION_REQUEST_RESOLVERS: VersionRequestResolver[] = [
+  new ExplicitInputVersionResolver(),
+  new VersionFileVersionResolver(),
+  new WorkspaceVersionResolver(),
+  new LatestVersionResolver(),
+];
+
+export function resolveVersionRequest(
+  options: ResolveUvVersionOptions,
+): VersionRequest {
+  const context = new VersionRequestContext(
+    emptyToUndefined(options.version),
+    emptyToUndefined(options.versionFile),
+    options.workingDirectory,
+  );
+
+  for (const resolver of VERSION_REQUEST_RESOLVERS) {
+    const request = resolver.resolve(context);
+    if (request !== undefined) {
+      return request;
+    }
+  }
+
+  throw new Error("Could not resolve a requested uv version.");
+}
+
+function emptyToUndefined(value: string | undefined): string | undefined {
+  return value === undefined || value === "" ? undefined : value;
+}