diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1f8960bdc..16d0f5a3c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,6 +1,12 @@
 name: CI
 
-on: [push, pull_request]
+on:
+  pull_request:
+    branches:
+      - master
+  push:
+    branches: 
+      - master
 
 jobs:
   build-and-test: