diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4bd01d4..6cdfbda 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,6 +16,18 @@ permissions:
   contents: read
 
 jobs:
+  test-x64-on-mac-arm64:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          persist-credentials: false
+      - name: Install uv
+        uses: ./
+        with:
+          python-version: cpython-3.9-macos-x86-64
+      - run: uv sync
+        working-directory: __tests__/fixtures/uv-project
   lint:
     runs-on: ubuntu-latest
     permissions: