diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e35e721..5f187b1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,6 +2,7 @@ name: CI
 
 on:
   push:
+  pull_request:
 
 jobs:
   check: