diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6c6642c..778e04d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
         ruby-version: ['3.1', '3.2', '3.3']
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
 
     - name: Set up Ruby ${{ matrix.ruby-version }}
       uses: ruby/setup-ruby@v1
@@ -38,7 +38,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
 
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
diff --git a/.github/workflows/create-release-pr.yml b/.github/workflows/create-release-pr.yml
index 21754bd..b9f1ea4 100644
--- a/.github/workflows/create-release-pr.yml
+++ b/.github/workflows/create-release-pr.yml
@@ -28,7 +28,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0
 
diff --git a/.github/workflows/create-release.yml b/.github/workflows/create-release.yml
index 104f461..51fafe8 100644
--- a/.github/workflows/create-release.yml
+++ b/.github/workflows/create-release.yml
@@ -28,7 +28,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0
         token: ${{ secrets.ADMIN_TOKEN || secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 504acb2..92740a3 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0