diff --git a/.github/workflows/code-style.yml b/.github/workflows/code-style.yml
index f5c5380..244bbf6 100644
--- a/.github/workflows/code-style.yml
+++ b/.github/workflows/code-style.yml
@@ -10,7 +10,7 @@ jobs:
 
         steps:
             -   name: Checkout code
-                uses: actions/checkout@v5
+                uses: actions/checkout@v6
 
             -   name: Check the code style
                 uses: TheDragonCode/codestyler@v5
diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index 1b061c1..19ae850 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -12,7 +12,7 @@ jobs:
 
         steps:
             -   name: Checkout code
-                uses: actions/checkout@v5
+                uses: actions/checkout@v6
 
             -   name: Setup PHP
                 uses: shivammathur/setup-php@v2
diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index 8bb1c50..4113950 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -18,7 +18,7 @@ jobs:
 
         steps:
             -   name: Checkout code
-                uses: actions/checkout@v5
+                uses: actions/checkout@v6
 
             -   name: Setup PHP
                 uses: shivammathur/setup-php@v2