diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index aace4098..359c62a5 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -55,7 +55,7 @@ jobs:
         composer config cache-dir
         echo "::set-output name=dir::$(composer config cache-dir)"
     - name: composer cache
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: ${{ steps.composer-cache-directory.outputs.dir }}
         key: php-${{ matrix.php-versions }}-composer-${{ hashFiles('**/composer.lock') }}