diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index ea090b4..c65f82e 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -3,7 +3,11 @@
 
 name: Go Svg Captcha CI
 
-on: [push, pull_request]
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
 
 jobs:
   build: