diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index 70e6441..fefb08c 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -23,7 +23,7 @@ jobs:
         shell: bash
 
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
diff --git a/.github/workflows/fix-php-code-style-issues.yml b/.github/workflows/fix-php-code-style-issues.yml
index c391199..07f5f5f 100644
--- a/.github/workflows/fix-php-code-style-issues.yml
+++ b/.github/workflows/fix-php-code-style-issues.yml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: ${{ github.head_ref }}
 
diff --git a/.github/workflows/phpstan-php-code.yml b/.github/workflows/phpstan-php-code.yml
index ca408ee..81b2b53 100644
--- a/.github/workflows/phpstan-php-code.yml
+++ b/.github/workflows/phpstan-php-code.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: php-actions/composer@v6
       - uses: php-actions/phpstan@v3
         with:
diff --git a/.github/workflows/run-macos.yml b/.github/workflows/run-macos.yml
index 8214aab..6beabac 100644
--- a/.github/workflows/run-macos.yml
+++ b/.github/workflows/run-macos.yml
@@ -8,7 +8,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index d1a6826..a6e2f95 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -25,7 +25,7 @@ jobs:
         shell: bash
 
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
diff --git a/.github/workflows/run-windows.yml b/.github/workflows/run-windows.yml
index 07c54ff..08abc99 100644
--- a/.github/workflows/run-windows.yml
+++ b/.github/workflows/run-windows.yml
@@ -21,7 +21,7 @@ jobs:
         shell: powershell
 
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
diff --git a/.github/workflows/update-changelog.yml b/.github/workflows/update-changelog.yml
index 859924d..6daa9ff 100644
--- a/.github/workflows/update-changelog.yml
+++ b/.github/workflows/update-changelog.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: main