diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a41d1cd..f00d8e9 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -32,7 +32,7 @@ jobs:
         run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
 
       - name: Cache composer dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: ${{ runner.os }}-php${{ matrix.php }}-${{ matrix.deps }}-${{ hashFiles('composer.json') }}