diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 91ff0bd9b..4e4278cdc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,7 +1,10 @@
 
 name: Build
 
-on: [push, pull_request]
+on:
+  pull_request:
+  push:
+    branches: master
 
 jobs:
   build: