diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d238101..235f429 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,5 +1,5 @@
 name: ci
-on: push
+on: [push, pull_request]
 
 jobs:
   tests: