diff --git a/.github/workflows/pr-tests.yaml b/.github/workflows/pr-tests.yaml
index a71bb9a5..4ebdf79d 100644
--- a/.github/workflows/pr-tests.yaml
+++ b/.github/workflows/pr-tests.yaml
@@ -49,7 +49,7 @@ jobs:
           echo "dir=$(uv cache dir)" >> $GITHUB_OUTPUT
 
       - name: Load github cache
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: ${{ steps.pip-cache.outputs.dir }}
           key: pr-uv-${{ runner.os }}-py${{ matrix.python-version }}-${{ hashFiles('pyproject.toml') }}
@@ -100,7 +100,7 @@ jobs:
           echo "dir=$(uv cache dir)" >> $GITHUB_OUTPUT
 
       - name: Load github cache
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: ${{ steps.pip-cache.outputs.dir }}
           key: pr-uv-${{ runner.os }}-py${{ matrix.python-version }}-${{ hashFiles('pyproject.toml') }}