diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ec6c129..e88bb29 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -39,7 +39,7 @@ jobs:
         run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
 
       - name: Cache dependencies
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: dependencies-php-${{ matrix.php }}-composer-${{ hashFiles('composer.json') }}