diff --git a/keystone/server/cluster.yml b/keystone/server/cluster.yml
index 7e6980b..4c24975 100644
--- a/keystone/server/cluster.yml
+++ b/keystone/server/cluster.yml
@@ -3,6 +3,7 @@
 - service.keepalived.cluster.single
 - system.haproxy.proxy.listen.openstack.keystone
 - system.haproxy.proxy.listen.openstack.keystone.standalone
+- system.linux.system.users.keystone
 parameters:
   _param:
     keystone_tokens_expiration: 3600