diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 04508a3..ba8e250 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,5 +1,9 @@
 name: Rust CI
-on: [push]
+on:
+  push:
+  pull_request:
+    types: [opened, repoened, synchronize]
+
 jobs:
   combo:
     name: test + Clippy + rustfmt