diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index b5da1287..a927d7fa 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -1,6 +1,8 @@
 name: Doxygen CI
 
-on: [push]
+on: 
+  push:
+    branches: [master]
 
 jobs:
   build: