diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 8c644979..c943ac72 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -1,6 +1,6 @@
 name: Tests
 
-on: [push]
+on: [push, pull_request]
 
 jobs:
   ruby-tests: