diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d9d33c0..c860749 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,7 +2,9 @@ name: CI
 
 on:
   push:
+    branches: [ main ]
   pull_request:
+    branches: [ main ]
 
 jobs:
   test: