diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 846eab1..177cb9b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,7 +5,7 @@ on:
       - '**'
   push:
     branches:
-      - master
+      - main
 jobs:
   build:
     name: Ruby ${{ matrix.version }}