diff --git a/.github/workflows/ci_check.yml b/.github/workflows/ci_check.yml
index b9f7e79..101dee4 100644
--- a/.github/workflows/ci_check.yml
+++ b/.github/workflows/ci_check.yml
@@ -5,9 +5,9 @@ name: CI check
 
 on:
   push:
-    branches: [ "main" ]
+    branches: [ "dev" ]
   pull_request:
-    branches: [ "main" ]
+    branches: [ "dev" ]
 
 jobs: