diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 27c4f0a3..5d0d982e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,5 +1,5 @@
 name: build
-on: [push]
+on: [push, pull_request]
 jobs:
   run:
     name: Build