diff --git a/.github/workflows/backstop.yml b/.github/workflows/backstop.yml
index fc157f8e..a3106a70 100644
--- a/.github/workflows/backstop.yml
+++ b/.github/workflows/backstop.yml
@@ -1,6 +1,9 @@
 name: VRT with Backstop JS
 on:
   pull_request:
+    types:
+      - opened
+      - synchronize
     branches: 
       - main
 
@@ -17,6 +20,10 @@ jobs:
       - name: Install Backstop
         run:  npm install backstopjs
 
+      - name: Run Backstop
+        run: backstop test
+
+