diff --git a/.github/workflows/rubocop.yml b/.github/workflows/rubocop.yml
index 67371dbcd..6a13f6225 100644
--- a/.github/workflows/rubocop.yml
+++ b/.github/workflows/rubocop.yml
@@ -1,6 +1,6 @@
 name: Rubocop
 
-on: [push]
+on: [push, pull_request]
 
 jobs:
   rubocop: