diff --git a/.github/workflows/build-and-publish.yml b/.github/workflows/build-and-publish.yml
index 3d8a1384..5bfd04b3 100644
--- a/.github/workflows/build-and-publish.yml
+++ b/.github/workflows/build-and-publish.yml
@@ -21,7 +21,7 @@ jobs:
     
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v4
@@ -63,7 +63,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Setup Terraform
         uses: hashicorp/setup-terraform@v4
diff --git a/.github/workflows/build-check.yml b/.github/workflows/build-check.yml
index 1bbcedb5..b8f8fdd1 100644
--- a/.github/workflows/build-check.yml
+++ b/.github/workflows/build-check.yml
@@ -14,7 +14,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
diff --git a/.github/workflows/coverage-check.yml b/.github/workflows/coverage-check.yml
index 6b74bed3..b5a5670e 100644
--- a/.github/workflows/coverage-check.yml
+++ b/.github/workflows/coverage-check.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
diff --git a/.github/workflows/security-check.yml b/.github/workflows/security-check.yml
index 16af8cbc..af0af6f2 100644
--- a/.github/workflows/security-check.yml
+++ b/.github/workflows/security-check.yml
@@ -14,7 +14,7 @@ jobs:
     # Informational only - git history contains rotated secrets from archived docs
     continue-on-error: true
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0 # Full history for git scanning
 
@@ -32,7 +32,7 @@ jobs:
     # Informational only - audit failures shouldn't block deploys
     continue-on-error: true
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-node@v6
         with:
@@ -57,7 +57,7 @@ jobs:
     # Informational only - pattern matching has false positives
     continue-on-error: true
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-node@v6
         with:
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index af4aa8a5..836dc917 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -13,7 +13,7 @@ jobs:
   unit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v6
         with:
           node-version: '24.11.0'
@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: unit
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v6
         with:
           node-version: '24.11.0'
@@ -45,7 +45,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: unit
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v6
         with:
           node-version: '24.11.0'
@@ -63,7 +63,7 @@ jobs:
     if: ${{ github.event_name == 'pull_request' || github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' }}
     timeout-minutes: 45
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v6
         with:
           node-version: '24.11.0'