diff --git a/.github/workflows/claude-code-review.yml b/.github/workflows/claude-code-review.yml
index ed5bcb4..453a732 100644
--- a/.github/workflows/claude-code-review.yml
+++ b/.github/workflows/claude-code-review.yml
@@ -28,7 +28,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1
 
diff --git a/.github/workflows/claude-docs-drafter.yml b/.github/workflows/claude-docs-drafter.yml
index 419fb52..88fb0d4 100644
--- a/.github/workflows/claude-docs-drafter.yml
+++ b/.github/workflows/claude-docs-drafter.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index cc57bab..ecbbaf8 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -26,7 +26,7 @@ jobs:
       actions: read # Required for Claude to read CI results on PRs
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1
 
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 4bfec97..40b501e 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Use Node.js 20.x
         uses: actions/setup-node@v4
diff --git a/.github/workflows/manual-publish.yml b/.github/workflows/manual-publish.yml
index 7d20348..af2fafd 100644
--- a/.github/workflows/manual-publish.yml
+++ b/.github/workflows/manual-publish.yml
@@ -32,7 +32,7 @@ jobs:
           private-key: ${{ secrets.BASE44_GITHUB_ACTIONS_APP_PRIVATE_KEY }}
 
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           token: ${{ steps.generate-token.outputs.token }}
diff --git a/.github/workflows/preview-publish.yml b/.github/workflows/preview-publish.yml
index 78634c3..23425eb 100644
--- a/.github/workflows/preview-publish.yml
+++ b/.github/workflows/preview-publish.yml
@@ -10,7 +10,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Enable corepack
         run: corepack enable
diff --git a/.github/workflows/security-audit.yml b/.github/workflows/security-audit.yml
index a353173..1a2062a 100644
--- a/.github/workflows/security-audit.yml
+++ b/.github/workflows/security-audit.yml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Use Node.js 20.x
         uses: actions/setup-node@v4
diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 8f03dd6..4b68836 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Use Node.js 20.x
         uses: actions/setup-node@v4