diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b72c037..a0f8e82 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,6 +1,11 @@
 # On every push this script is executed
-on: push
+
 name: Build and deploy GH Pages
+
+on:
+  push:
+    branches:
+      - master
 jobs:
   build:
     runs-on: ubuntu-latest