diff --git a/.github/workflows/run-e2e-tests.yaml b/.github/workflows/run-e2e-tests.yaml
index 718b7ae..08fadd4 100644
--- a/.github/workflows/run-e2e-tests.yaml
+++ b/.github/workflows/run-e2e-tests.yaml
@@ -1,13 +1,13 @@
 name: E2E Test Workflow
 
 on:
-  pull_request:
-    branches:
-      - develop
-      - main
+  pull_request_review:
+    types:
+      - submitted
 
 jobs:
   run-e2e-tests:
+    if: github.event.review.state == 'approved'
     runs-on: ubuntu-latest
     permissions:
       id-token: write
@@ -57,4 +57,13 @@ jobs:
         env:
           S3_BUCKET: unified-lambda-e2e-test-templates
         run:
-          aws s3 rm "s3://$S3_BUCKET" --recursive
\ No newline at end of file
+          aws s3 rm "s3://$S3_BUCKET" --recursive
+
+      - name: Send failure notification to Slack
+        if: always()
+        uses: ravsamhq/notify-slack-action@v1
+        with:
+          status: ${{ job.status }}
+          notify_when: 'failure'
+        env:
+          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
\ No newline at end of file