diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dca5f32..8116aa2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,5 +1,5 @@
 name: CI
-on: [push]
+on: [push, pull_request]
 
 jobs:
   check: