diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index 37fe359..efa24d7 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -16,7 +16,7 @@ jobs:
     name: PHP ${{ matrix.php-version }} tests
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
@@ -76,7 +76,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2