diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 0f9574bc..33a84451 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,5 +1,13 @@
 name: CI
-on: [push]
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
 jobs:
   build:
     runs-on: ubuntu-latest