diff --git a/.github/workflows/continuous_integration.yml b/.github/workflows/continuous_integration.yml
index d2e91db..0fd1393 100644
--- a/.github/workflows/continuous_integration.yml
+++ b/.github/workflows/continuous_integration.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
@@ -37,7 +37,7 @@ jobs:
     name: Tests on PHP ${{ matrix.php }}
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with: