diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 3f31fe7..cb66049 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -282,6 +282,10 @@ jobs:
         os: [ ubuntu-latest, macos-latest, windows-latest ]
     steps:
       - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version-file: __tests__/fixtures/uv-project/pyproject.toml
       - name: Install latest version
         uses: ./
         with:
@@ -291,6 +295,9 @@ jobs:
         working-directory: __tests__/fixtures/uv-project
         run: uv sync
         shell: bash
+        env:
+          UV_PYTHON_DOWNLOADS: "never"
+          UV_SYSTEM_PYTHON: 1
       - name: Verify bin files available
         working-directory: __tests__/fixtures/uv-project
         run: ruff --version