diff --git a/.github/workflows/functionaltests.yml b/.github/workflows/functionaltests.yml
index dd58486..4f5e23c 100644
--- a/.github/workflows/functionaltests.yml
+++ b/.github/workflows/functionaltests.yml
@@ -44,7 +44,7 @@ jobs:
           ini-values: opcache.fast_shutdown=0
 
       - name: "[1/5] Create composer project - Cache composer dependencies"
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.composer/cache
           key: php-${{ matrix.php-version }}-flow-${{ matrix.flow-version }}-composer-${{ hashFiles('composer.json') }}