diff --git a/.github/workflows/add-depr-ticket-to-depr-board.yml b/.github/workflows/add-depr-ticket-to-depr-board.yml
index a9a7a17..327b00a 100644
--- a/.github/workflows/add-depr-ticket-to-depr-board.yml
+++ b/.github/workflows/add-depr-ticket-to-depr-board.yml
@@ -84,7 +84,7 @@ jobs:
 
       - name: Alert in Slack
         id: slack
-        uses: slackapi/slack-github-action@0d95c9a7becc1e6e297d76df9bc735c44f4cbcbc # v3.0.5
+        uses: slackapi/slack-github-action@dcb1066f776dd043e64d0e8ba94ca15cc7e1875d # v4.0.0
         with:
           method: chat.postMessage
           token:  ${{ secrets.SLACK_BOT_TOKEN }}