diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e43ca92113..ffb9013f8c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,4 +1,4 @@
-on: push
+on: [push, pull_request]
 
 name: Continuous integration