diff --git a/.github/workflows/dev_sandbox_publish_deploy.yaml b/.github/workflows/dev_sandbox_publish_deploy.yaml
index 693232a..2e93861 100644
--- a/.github/workflows/dev_sandbox_publish_deploy.yaml
+++ b/.github/workflows/dev_sandbox_publish_deploy.yaml
@@ -176,7 +176,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: "Notify Slack on PR merge"
-        uses: slackapi/slack-github-action@v2.1.1
+        uses: slackapi/slack-github-action@v3.0.1
         with:
           webhook: ${{ secrets.SLACK_WORKFLOW_WEBHOOK_URL }}
           webhook-type: webhook-trigger