diff --git a/.github/workflows/main_ci.yml b/.github/workflows/main_ci.yml
index bf67c58..55c4574 100644
--- a/.github/workflows/main_ci.yml
+++ b/.github/workflows/main_ci.yml
@@ -1,6 +1,10 @@
 name: Run Tests
 
-on: [push]
+on:
+  push:
+    branches:
+      - master
+  pull_request:
 
 jobs:
   unit: