diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index 4378032..2206e2d 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: Set up php ${{ matrix.php-versions }}
         uses: shivammathur/setup-php@c541c155eee45413f5b09a52248675b1a2575231 # v2.31.1