diff --git a/auto_update_github_action.yml b/auto_update_github_action.yml
index e1a847d46..4a7c8e8c6 100644
--- a/auto_update_github_action.yml
+++ b/auto_update_github_action.yml
@@ -22,13 +22,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
         with:
           repository: "mrrfv/cloudflare-gateway-pihole-scripts"
           ref: "v1"
 
       - name: Install Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4
         with:
           node-version-file: ".node-version"
 
@@ -72,4 +72,4 @@ jobs:
           PING_URL: ${{ secrets.PING_URL }}
 
       - name: Keep workflow alive
-        uses: gautamkrishnar/keepalive-workflow@v1
+        uses: gautamkrishnar/keepalive-workflow@306efe4fc63923e36571682b4f4b3e3eee8b6625 # v1