diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index fa1e611..f2bbba0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -3,7 +3,7 @@ name: docker build
 on:
   push:
     branches:
-      - "main"
+      - "master"
 
 jobs:
   build: