diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e10c9f6..9255c93 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Use Node.js 22.x
       uses: actions/setup-node@v6
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 514453b..28336f7 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v4
diff --git a/.github/workflows/enable-auto-merge.yml b/.github/workflows/enable-auto-merge.yml
index dcfcff8..9e2d1f3 100644
--- a/.github/workflows/enable-auto-merge.yml
+++ b/.github/workflows/enable-auto-merge.yml
@@ -11,7 +11,7 @@ jobs:
   pull-request-auto-merge:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Enable auto-merge for Pull Request
         run: |