diff --git a/barbican/server/single.yml b/barbican/server/single.yml
index 4e8ef26..c1ef15e 100644
--- a/barbican/server/single.yml
+++ b/barbican/server/single.yml
@@ -1,5 +1,6 @@
 classes:
 - service.barbican.server.single
+- system.barbican.upgrade
 - system.salt.minion.cert.mysql.clients.openstack.barbican
 - system.salt.minion.cert.rabbitmq.clients.openstack.barbican
 parameters: