diff --git a/charmhelpers/contrib/openstack/amulet/deployment.py b/charmhelpers/contrib/openstack/amulet/deployment.py
index d1270a7..8e57467 100644
--- a/charmhelpers/contrib/openstack/amulet/deployment.py
+++ b/charmhelpers/contrib/openstack/amulet/deployment.py
@@ -312,6 +312,7 @@ class OpenStackAmuletDeployment(AmuletDeployment):
             ('artful', 'pike'),
             ('bionic', 'queens'),
             ('cosmic', 'rocky'),
+            ('disco', 'stein'),
         ])
         if self.openstack:
             os_origin = self.openstack.split(':')[1]
diff --git a/charmhelpers/core/host_factory/ubuntu.py b/charmhelpers/core/host_factory/ubuntu.py
index a3162fa..0ee2b66 100644
--- a/charmhelpers/core/host_factory/ubuntu.py
+++ b/charmhelpers/core/host_factory/ubuntu.py
@@ -23,6 +23,7 @@ UBUNTU_RELEASES = (
     'artful',
     'bionic',
     'cosmic',
+    'disco',
 )