diff --git a/.github/workflows/code-style.yml b/.github/workflows/code-style.yml
index e657182..46b606b 100644
--- a/.github/workflows/code-style.yml
+++ b/.github/workflows/code-style.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup PHP 8.3
         uses: shivammathur/setup-php@v2
diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
index 0ef7d8b..4b8a564 100644
--- a/.github/workflows/phpstan.yml
+++ b/.github/workflows/phpstan.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup PHP 8.3
         uses: shivammathur/setup-php@v2
diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index 7e6e5b1..df086e5 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2