diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cc01d08..15b6729 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
         node-version: [18, 20, 22]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v4
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index b78c704..6465550 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 42f8568..4ac6045 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -10,7 +10,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Use Node.js
         uses: actions/setup-node@v4
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index eefb288..be96396 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -12,7 +12,7 @@ jobs:
   security-scan:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Run Trivy vulnerability scanner
         uses: aquasecurity/trivy-action@master
@@ -32,7 +32,7 @@ jobs:
   gitleaks:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0