diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index ce561e2..d84fb79 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -3,10 +3,10 @@ name: CI checks
 on:
   push:
     branches:
-    - master
+    - main
   pull_request:
     branches:
-    - master
+    - main
 
 jobs:
   check: