diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9fb1a848..cfec6d82 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,6 +1,10 @@
 name: CI
 
-on: [push, pull_request]
+on:
+  pull_request:
+  push:
+    branches:
+      - master
 
 jobs:
   build: