diff --git a/.github/workflows/guardrails.yml b/.github/workflows/guardrails.yml
index 480aa82a..67e7659f 100644
--- a/.github/workflows/guardrails.yml
+++ b/.github/workflows/guardrails.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       # 1. Block secret keys
       - name: Detect secrets
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ba275f3f..b6c3a095 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,7 +12,7 @@ jobs:
       upload_url: ${{ steps.create_release.outputs.upload_url }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       
       - name: Create Release
         id: create_release
@@ -31,7 +31,7 @@ jobs:
     
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
          
       - name: Setup Node.js
         uses: actions/setup-node@v4
@@ -70,7 +70,7 @@ 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/web-ci.yml b/.github/workflows/web-ci.yml
index 5f97ab2a..0ac017b0 100644
--- a/.github/workflows/web-ci.yml
+++ b/.github/workflows/web-ci.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       
       - name: Setup Node.js
         uses: actions/setup-node@v4