diff --git a/.github/workflows/ruff.yml b/.github/workflows/ruff.yml
index 7c8be9e..55ce442 100644
--- a/.github/workflows/ruff.yml
+++ b/.github/workflows/ruff.yml
@@ -1,5 +1,9 @@
 name: Ruff
-on: [push]
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
 
 jobs:
   ruff_py3: