diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index eb9e37c..19faeb2 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -1,6 +1,8 @@
 # The name of our workflow
 name: Build
 on:
+  pull_request:
+    types: [opened, reopened]
   push:
     branches:
       - master
@@ -43,3 +45,8 @@ jobs:
           appknox_access_token: ${{ secrets.APPKNOX_ACCESS_TOKEN }}
           file_path: app/build/outputs/bundle/debug/app.aab
           risk_threshold: ${{ env.RISK_THRESHOLD }}
+      - name: Comment PR
+        uses: thollander/actions-comment-pull-request@v2
+        with:
+          message: |
+            Hello world ! :wave: