diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 131e164da7..67dab354fc 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -4,6 +4,8 @@ on:
   schedule:
     # 2:30 PST
     - cron:  '30 10 * * *'
+  pull_rquest:
+    branches: [main]
   workflow_dispatch: