diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
index 8ac8c37..5e5ae1e 100644
--- a/.github/workflows/doc.yml
+++ b/.github/workflows/doc.yml
@@ -1,6 +1,9 @@
 name: Build Docs
 
-on: [push]
+on: 
+  push:
+    branches:
+      - master
 
 jobs:
   build: