diff --git a/.github/workflows/code-freeze.yml b/.github/workflows/code-freeze.yml
index ecc6e26..431a9e2 100644
--- a/.github/workflows/code-freeze.yml
+++ b/.github/workflows/code-freeze.yml
@@ -113,7 +113,7 @@ jobs:
 
       - name: Send approval to merge comment to Slack
         if: steps.check.outputs.triggered == 'true'
-        uses: slackapi/slack-github-action@0d95c9a7becc1e6e297d76df9bc735c44f4cbcbc # v3.0.5
+        uses: slackapi/slack-github-action@dcb1066f776dd043e64d0e8ba94ca15cc7e1875d # v4.0.0
         with:
           webhook: ${{ secrets.SLACK_WEBHOOK_CODEFREEZE_URL }}
           webhook-type: incoming-webhook