diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 55a4c638c..30f387b65 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,5 +1,10 @@
 name: CI
-on: [push, pull_request]
+
+on:
+  push:
+    branches: ['main']
+  pull_request:
+    types: [opened, synchronize]
 
 env:
   TURBO_TOKEN: ${{ secrets.TURBO_TOKEN }}