diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 962ef83..9b3c083 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -1,7 +1,7 @@
 name: Format
 
 on:
-  push:
+  pull_request:
     branches: [ main ]
     paths-ignore:
       - '**.md'