diff --git a/.github/workflows/go-cross.yml b/.github/workflows/go-cross.yml
index 8e53072..02f4723 100644
--- a/.github/workflows/go-cross.yml
+++ b/.github/workflows/go-cross.yml
@@ -1,5 +1,9 @@
 name: Go Matrix
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - master
+  pull_request:
 
 jobs: