diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index dd85d2e..129540c 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,6 +1,9 @@
 name: Build
 
-on: [push]
+on:
+  push:
+  pull_request:
+    types: [opened, synchronize, reopened]
 
 jobs:
   ci_job: