diff --git a/nova/compute/cluster.yml b/nova/compute/cluster.yml
index fdb8bcb..c3f60f8 100644
--- a/nova/compute/cluster.yml
+++ b/nova/compute/cluster.yml
@@ -1,5 +1,6 @@
 classes:
 - service.nova.compute.kvm
+- system.nova.upgrade
 - system.salt.minion.cert.rabbitmq.clients.openstack.nova
 parameters:
   _param:
diff --git a/nova/compute/single.yml b/nova/compute/single.yml
index f14192c..5d161e2 100644
--- a/nova/compute/single.yml
+++ b/nova/compute/single.yml
@@ -2,6 +2,7 @@
 - nova
 classes:
 - service.nova.compute.kvm
+- system.nova.upgrade
 - system.salt.minion.cert.rabbitmq.clients.openstack.nova
 parameters:
   _param:
diff --git a/nova/compute_ironic/cluster.yml b/nova/compute_ironic/cluster.yml
index deed63a..a357ba8 100644
--- a/nova/compute_ironic/cluster.yml
+++ b/nova/compute_ironic/cluster.yml
@@ -1,5 +1,6 @@
 classes:
 - service.nova.compute.ironic
+- system.nova.upgrade
 parameters:
   nova:
     compute:
diff --git a/nova/compute_ironic/single.yml b/nova/compute_ironic/single.yml
index cddaa4d..fe5db6c 100644
--- a/nova/compute_ironic/single.yml
+++ b/nova/compute_ironic/single.yml
@@ -1,5 +1,6 @@
 classes:
 - service.nova.compute.ironic
+- system.nova.upgrade
 parameters:
   nova:
     compute:
diff --git a/nova/control/cluster.yml b/nova/control/cluster.yml
index 08bbf07..6591552 100644
--- a/nova/control/cluster.yml
+++ b/nova/control/cluster.yml
@@ -1,6 +1,7 @@
 classes:
 - service.haproxy.proxy.single
 - service.nova.control.cluster
+- system.nova.upgrade
 - service.keepalived.cluster.single
 - system.haproxy.proxy.listen.openstack.nova
 - system.haproxy.proxy.listen.openstack.novnc
diff --git a/nova/control/single.yml b/nova/control/single.yml
index a97a033..9a0bc00 100644
--- a/nova/control/single.yml
+++ b/nova/control/single.yml
@@ -2,6 +2,7 @@
 - system.salt.minion.cert.mysql.clients.openstack.nova
 - system.salt.minion.cert.rabbitmq.clients.openstack.nova
 - service.nova.control.single
+- system.nova.upgrade
 parameters:
   linux:
     system:
diff --git a/nova/upgrade/init.yml b/nova/upgrade/init.yml
new file mode 100644
index 0000000..4441bb7
--- /dev/null
+++ b/nova/upgrade/init.yml
@@ -0,0 +1,6 @@
+parameters:
+  nova:
+    upgrade:
+      enabled: ${_param:nova_upgrade_enabled}
+      old_release: ${_param:nova_old_version}
+      new_release: ${_param:nova_version}
\ No newline at end of file