diff --git a/.github/workflows/azure-container-scan.yaml b/.github/workflows/azure-container-scan.yaml
index b25656333c..215b172a03 100644
--- a/.github/workflows/azure-container-scan.yaml
+++ b/.github/workflows/azure-container-scan.yaml
@@ -2,6 +2,7 @@ name: azure-container-image-scan
 
 on:
   push:
+  pull_request:
     # Publish `main` as Docker `latest` image.
     branches:
       - main