diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 7aca873..d801bb1 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -1,6 +1,9 @@
 name: github pages
 
-on: push
+on:
+  push:
+    branches:
+      - main
 
 jobs:
   deploy: