diff --git a/.github/workflows/accessibility.yml b/.github/workflows/accessibility.yml
index 08e56bd..f044c7a 100644
--- a/.github/workflows/accessibility.yml
+++ b/.github/workflows/accessibility.yml
@@ -23,7 +23,7 @@ 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/ci.yml b/.github/workflows/ci.yml
index 0e7d304..9d6dfc7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Go
         uses: actions/setup-go@v5
@@ -62,7 +62,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
@@ -102,7 +102,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Go
         uses: actions/setup-go@v5
@@ -129,7 +129,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Go
         uses: actions/setup-go@v5
@@ -150,7 +150,7 @@ 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/dependency-scan.yml b/.github/workflows/dependency-scan.yml
index fd992c1..2bd96b4 100644
--- a/.github/workflows/dependency-scan.yml
+++ b/.github/workflows/dependency-scan.yml
@@ -33,7 +33,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Go
         uses: actions/setup-go@v5
@@ -146,7 +146,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
@@ -295,7 +295,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Build Docker image
         id: build
diff --git a/.github/workflows/deploy-gate.yml b/.github/workflows/deploy-gate.yml
index a3f6505..7d77766 100644
--- a/.github/workflows/deploy-gate.yml
+++ b/.github/workflows/deploy-gate.yml
@@ -30,7 +30,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Gather deployment info
         id: info
@@ -53,7 +53,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Go
         uses: actions/setup-go@v5
@@ -84,7 +84,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Go
         uses: actions/setup-go@v5
@@ -111,7 +111,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Validate migration files
         run: |
@@ -148,7 +148,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Deploy notification
         run: |
diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 89076ad..d9f0ded 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -45,7 +45,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
diff --git a/.github/workflows/e2e-tests.yml b/.github/workflows/e2e-tests.yml
index 7a25f1c..3e6d9c3 100644
--- a/.github/workflows/e2e-tests.yml
+++ b/.github/workflows/e2e-tests.yml
@@ -24,7 +24,7 @@ jobs:
     
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       
       - name: Setup Node.js
         uses: actions/setup-node@v4
@@ -85,7 +85,7 @@ jobs:
     
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       
       - name: Install k6
         run: |
diff --git a/.github/workflows/lighthouse.yml b/.github/workflows/lighthouse.yml
index c7edce5..0746515 100644
--- a/.github/workflows/lighthouse.yml
+++ b/.github/workflows/lighthouse.yml
@@ -22,7 +22,7 @@ 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/sbom.yml b/.github/workflows/sbom.yml
index 352c502..a3c6a1b 100644
--- a/.github/workflows/sbom.yml
+++ b/.github/workflows/sbom.yml
@@ -30,7 +30,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Go
         uses: actions/setup-go@v5
@@ -73,7 +73,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
@@ -109,7 +109,7 @@ 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/secret-scan.yml b/.github/workflows/secret-scan.yml
index 395da63..1323d95 100644
--- a/.github/workflows/secret-scan.yml
+++ b/.github/workflows/secret-scan.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           # Fetch full history for accurate secret scanning across all commits
           fetch-depth: 0