diff --git a/packages/4337-local-bundler/docker-compose.yaml b/packages/4337-local-bundler/docker-compose.yaml
index d6dcc797..a9cdbc2b 100644
--- a/packages/4337-local-bundler/docker-compose.yaml
+++ b/packages/4337-local-bundler/docker-compose.yaml
@@ -30,7 +30,7 @@ services:
       context: .
       dockerfile: docker/bundler/Dockerfile
       args:
-        TAG: main
+        TAG: master
     restart: always
     command: ['--auto', '--network=http://geth:8545']
     environment: