diff --git a/metadata/service/server/cluster.yml b/metadata/service/server/cluster.yml
index 81f5e42..e756e1f 100644
--- a/metadata/service/server/cluster.yml
+++ b/metadata/service/server/cluster.yml
@@ -1,3 +1,5 @@
+classes:
+- service.mysql.support
 applications:
 - mysql
 parameters: