diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4a95f89b..187f55b2 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,6 +1,12 @@
 name: Python Unittest
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
 
 jobs:
   test: