diff --git a/.github/workflows/pytest.yaml b/.github/workflows/pytest.yaml
index 6552286..82e7484 100644
--- a/.github/workflows/pytest.yaml
+++ b/.github/workflows/pytest.yaml
@@ -29,7 +29,7 @@ jobs:
         with:
           show-progress: true
       - name: Install uv
-        uses: https://github.com/astral-sh/setup-uv@v6
+        uses: https://github.com/astral-sh/setup-uv@v6.4.0
         with:
           python-version: ${{ matrix.python-version }}
           enable-cache: true