diff --git a/.github/workflows/contract-deployment.yml b/.github/workflows/contract-deployment.yml
index 9ecac294..a3d295fb 100644
--- a/.github/workflows/contract-deployment.yml
+++ b/.github/workflows/contract-deployment.yml
@@ -305,7 +305,7 @@ jobs:
 
       - name: Send Slack notification
         if: vars.SLACK_WEBHOOK_URL != ''
-        uses: slackapi/slack-github-action@45a88b9581bfab2566dc881e2cd66d334e621e2c # v3.0.3
+        uses: slackapi/slack-github-action@dcb1066f776dd043e64d0e8ba94ca15cc7e1875d # v4.0.0
         with:
           payload: |
             {