diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index ae17f3d..6732ac2 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -5,8 +5,10 @@ updates:
   schedule:
     interval: daily
   open-pull-requests-limit: 10
+  cooldown:
+    default-days: 7
 - package-ecosystem: npm
   directory: "/"
   schedule:
     interval: daily
-  open-pull-requests-limit: 10
+  open-pull-requests-limit: 10
\ No newline at end of file
diff --git a/.github/workflows/auto-merge-dependabot.yml b/.github/workflows/auto-merge-dependabot.yml
index 62a99a4..7122573 100644
--- a/.github/workflows/auto-merge-dependabot.yml
+++ b/.github/workflows/auto-merge-dependabot.yml
@@ -19,7 +19,7 @@ jobs:
     steps:
       - name: Dependabot metadata
         id: metadata
-        uses: dependabot/fetch-metadata@v3.0.0
+        uses: dependabot/fetch-metadata@ffa630c65fa7e0ecfa0625b5ceda64399aea1b36 # v3.0.0
         with:
           github-token: "${{ secrets.GITHUB_TOKEN }}"
 
diff --git a/.github/workflows/release-please-gha.yml b/.github/workflows/release-please-gha.yml
index 195010c..aa8c193 100644
--- a/.github/workflows/release-please-gha.yml
+++ b/.github/workflows/release-please-gha.yml
@@ -19,17 +19,17 @@ jobs:
   release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6.1.0
 
       - name: Generate GitHub App token
         id: app-token
-        uses: actions/create-github-app-token@v3
+        uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1 # v3.2.0
         with:
           app-id: ${{ vars.RELEASE_PLEASE_TOKEN_PROVIDER_APP_ID }}
           private-key: ${{ secrets.RELEASE_PLEASE_TOKEN_PROVIDER_PEM }}
 
       - name: Release Please
-        uses: googleapis/release-please-action@v4
+        uses: googleapis/release-please-action@5c625bfb5d1ff62eadeeb3772007f7f66fdcf071 # v4.4.1
         with:
           token: ${{ steps.app-token.outputs.token }}
           config-file: release-please-config.json