diff --git a/.bzr-mysql/default.conf b/.bzr-mysql/default.conf
index 771201a109b..e6ad6e85da4 100644
--- a/.bzr-mysql/default.conf
+++ b/.bzr-mysql/default.conf
@@ -1,4 +1,4 @@
 [MYSQL]
 post_commit_to = "commits@lists.mysql.com"
 post_push_to = "commits@lists.mysql.com"
-tree_name = "mysql-5.4.5-next-mr"
+tree_name = "mysql-5.5.0-next-mr"