diff --git a/.github/workflows/check-conflict.yml b/.github/workflows/check-conflict.yml
index 5d71f44..30fb77a 100644
--- a/.github/workflows/check-conflict.yml
+++ b/.github/workflows/check-conflict.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Check conflict branch in PR
         uses: PHPDevsr/check-conflict-action@v1.1.0
diff --git a/.github/workflows/check-signing.yml b/.github/workflows/check-signing.yml
index ae91576..76b9696 100644
--- a/.github/workflows/check-signing.yml
+++ b/.github/workflows/check-signing.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Check signed commits in PR
         uses: 1Password/check-signed-commits-action@v1.2.0
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index 0d4a013..3ea91b4 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -15,6 +15,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 'Checkout Repository'
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: 'Dependency Review'
         uses: actions/dependency-review-action@v4
diff --git a/.github/workflows/test-phpstan.yml b/.github/workflows/test-phpstan.yml
index 853dbc2..4104cfe 100644
--- a/.github/workflows/test-phpstan.yml
+++ b/.github/workflows/test-phpstan.yml
@@ -37,7 +37,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
diff --git a/.github/workflows/test-phpunit.yml b/.github/workflows/test-phpunit.yml
index b743f38..28be4b6 100644
--- a/.github/workflows/test-phpunit.yml
+++ b/.github/workflows/test-phpunit.yml
@@ -36,7 +36,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
diff --git a/.github/workflows/test-rector.yml b/.github/workflows/test-rector.yml
index 2c553ee..b76a1af 100644
--- a/.github/workflows/test-rector.yml
+++ b/.github/workflows/test-rector.yml
@@ -33,7 +33,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2