diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index df12a1b..cee1e7a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
     name: Lint, Build, Test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-node@v4
         with:
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 5f376b4..9cdedd3 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -20,7 +20,7 @@ jobs:
       contents: read
       packages: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       # docker-container driver so `cache-to: type=gha` works (the default
       # docker driver can't export cache — the build fails without this).
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index be07e5e..9328064 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -21,7 +21,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-node@v4
         with:
diff --git a/.github/workflows/publish-mcp.yml b/.github/workflows/publish-mcp.yml
index 21b4425..1419165 100644
--- a/.github/workflows/publish-mcp.yml
+++ b/.github/workflows/publish-mcp.yml
@@ -23,7 +23,7 @@ jobs:
       id-token: write   # npm Trusted Publishing + MCP Registry OIDC — no secrets
       contents: read
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - uses: pnpm/action-setup@v4   # reads the pnpm version from package.json packageManager
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9c5c63a..ba1590e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,7 +17,7 @@ jobs:
       id-token: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
diff --git a/.github/workflows/security-scan.yml b/.github/workflows/security-scan.yml
index 20059de..83e777f 100644
--- a/.github/workflows/security-scan.yml
+++ b/.github/workflows/security-scan.yml
@@ -15,7 +15,7 @@ jobs:
     name: Trivy Filesystem Scan
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Run Trivy filesystem scan
         uses: aquasecurity/trivy-action@v0.36.0
@@ -33,7 +33,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event_name != 'schedule'
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Build Docker image
         run: docker build -t agentgate:scan .
@@ -54,7 +54,7 @@ jobs:
     name: Dependency Audit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - uses: pnpm/action-setup@v4