diff --git a/.github/workflows/validate.yaml b/.github/workflows/validate.yaml
index f1b99b2d..ef114f44 100644
--- a/.github/workflows/validate.yaml
+++ b/.github/workflows/validate.yaml
@@ -3,6 +3,8 @@ on:
     branches:
       - main
   pull_request:
+    branches:
+      - main
     types: [opened, synchronize, reopened]
 
 jobs: