diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 015bea4..2002095 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,6 +1,6 @@
 name: CI
 
-on: [push]
+on: [pull_request]
 
 jobs:
   check: