diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 9a07c57e04..a61c256094 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -13,3 +13,12 @@ updates:
         update-types: 
           - "version-update:semver-major"
           - "version-update:semver-minor"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    groups:
+      github-actions:
+        patterns: ["*"]
+    schedule:
+      interval: "weekly"
+    cooldown:
+      default-days: 7
diff --git a/.github/workflows/auto-assign-reviewers.yml b/.github/workflows/auto-assign-reviewers.yml
index 6cee368779..533c8be4e0 100644
--- a/.github/workflows/auto-assign-reviewers.yml
+++ b/.github/workflows/auto-assign-reviewers.yml
@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Assign reviewers to eligible PRs
-        uses: actions/github-script@v7
+        uses: actions/github-script@f28e40c7f34bde8b3046d885e986cb6290c5673b # v7.1.0
         with:
           script: |
             // ── Configuration ──