diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 044e52f..300c96a 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -1,4 +1,4 @@
-on: [push]
+on: [push, pull_request]
 
 jobs:
   format-check: