diff --git a/.github/workflows/deploy-azure-static-web-app.yml b/.github/workflows/deploy-azure-static-web-app.yml
index d167198..69e45ed 100644
--- a/.github/workflows/deploy-azure-static-web-app.yml
+++ b/.github/workflows/deploy-azure-static-web-app.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v7
+        uses: actions/checkout@v7.0.1
 
       - name: Set up Node.js
         uses: actions/setup-node@v6
diff --git a/.github/workflows/scan-container.yml b/.github/workflows/scan-container.yml
index 8d640f4..05cce0f 100644
--- a/.github/workflows/scan-container.yml
+++ b/.github/workflows/scan-container.yml
@@ -16,7 +16,7 @@ jobs:
     steps:
       # Pin first-party actions by commit SHA to guard against mutable-tag abuse.
       # actions/checkout v6 — https://github.com/actions/checkout/commits/v6
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
 
       # Check if API code changed; skip scan if not (optimization for frontend-only PRs).
       # Scan still always reports a status so it can be a required check.