diff --git a/.github/workflows/deploy-gh-pages.yml b/.github/workflows/deploy-gh-pages.yml
index ece6fed..08e4d6c 100644
--- a/.github/workflows/deploy-gh-pages.yml
+++ b/.github/workflows/deploy-gh-pages.yml
@@ -1,5 +1,8 @@
 name: Build and Deploy
-on: [push]
+on:
+  push:
+    branches:
+      - master
 jobs:
   build-and-deploy:
     runs-on: ubuntu-latest