diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index a26dea89..d3593120 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -18,6 +18,8 @@ updates:
       - "github-actions"
 
   # The catalog build tooling (Node / npm).
+    cooldown:
+      default-days: 7
   - package-ecosystem: "npm"
     directory: "/tools/catalog-build"
     schedule:
diff --git a/.github/workflows/build-catalog.yml b/.github/workflows/build-catalog.yml
index e71d81f3..5c7b6aa8 100644
--- a/.github/workflows/build-catalog.yml
+++ b/.github/workflows/build-catalog.yml
@@ -34,10 +34,10 @@ jobs:
     if: github.event_name == 'pull_request'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: 0 # Updated dates can fall back to Git history.
-      - uses: actions/setup-node@v7
+      - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
           node-version: 20
           cache: npm
@@ -54,10 +54,10 @@ jobs:
       contents: write # Only the publish job may push the rebuilt catalog.
       pull-requests: write # Needed when branch protection forces a PR instead.
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: 0
-      - uses: actions/setup-node@v7
+      - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
           node-version: 20
           cache: npm
diff --git a/.github/workflows/content-spring-cleaning.yml b/.github/workflows/content-spring-cleaning.yml
index ac439ae2..47eb7abe 100644
--- a/.github/workflows/content-spring-cleaning.yml
+++ b/.github/workflows/content-spring-cleaning.yml
@@ -31,7 +31,7 @@ jobs:
 
     steps:
       - name: Checkout repository (full history)
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/traffic-stats.yml b/.github/workflows/traffic-stats.yml
index 74ce9d95..92299b83 100644
--- a/.github/workflows/traffic-stats.yml
+++ b/.github/workflows/traffic-stats.yml
@@ -24,10 +24,10 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Set up Node.js
-        uses: actions/setup-node@v7
+        uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
           node-version: 20
           cache: npm