diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 71d1580..80300c8 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -16,3 +16,5 @@ updates:
     schedule:
       interval: "cron"
       cronjob: "0 5 2 * *" # Second day of each month at 05:00 UTC
+    cooldown:
+      default-days: 7
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9ebbd4c..dda29ea 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6.1.0
 
     - name: Build
       run: cargo build --verbose