diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1230062..c4356b9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,7 +2,7 @@ name: ci
 on:
   push:
     branches:
-      - master
+      - c3
 permissions:
   contents: write
 jobs: