diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 323680c..d191c46 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -1,6 +1,10 @@
 name: CI
 
-on: [pull_request, push]
+on:
+  push:
+    branches:
+      - master
+  pull_request
 
 jobs:
   test: