diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 20a58b82..5185efa2 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -40,7 +40,7 @@ jobs:
         run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
 
       - name: Cache Composer dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: ${{ runner.os }}-composer-php${{ matrix.php }}-${{ matrix.ext_optional }}-${{ hashFiles('**/composer.json') }}