diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a1ec4d7..23270e4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,6 +1,12 @@
 name: Action CI
 
-on: [push]
+on:
+  pull_request_target:
+    types:
+      - opened
+    branches: [master, main]
+  push:
+    branches: [master, main]
 
 jobs: