diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7efcdbbc7..a3b5c78a6 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,6 +1,10 @@
 name: Build
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - master
+  pull_request:
 jobs:
   build_windows:
     name: Build for Windows