diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b225e7c..0ce2816 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
       matrix:
         php: ['7.4', '8.0', '8.1', '8.2', '8.3', '8.4']
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up PHP ${{ matrix.php }}
         uses: shivammathur/setup-php@v2
@@ -53,7 +53,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: test
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up PHP 8.3 (with pcov)
         uses: shivammathur/setup-php@v2
@@ -79,7 +79,7 @@ jobs:
     name: PHPStan
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: shivammathur/setup-php@v2
         with:
@@ -96,7 +96,7 @@ jobs:
     name: PHP-CS-Fixer
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: shivammathur/setup-php@v2
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 2396791..c8d91b4 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -19,7 +19,7 @@ jobs:
     name: GitHub Release
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0