diff --git a/hooks/charmhelpers/core/host_factory/ubuntu.py b/hooks/charmhelpers/core/host_factory/ubuntu.py
index 99451b5..a6d375a 100644
--- a/hooks/charmhelpers/core/host_factory/ubuntu.py
+++ b/hooks/charmhelpers/core/host_factory/ubuntu.py
@@ -21,6 +21,7 @@ UBUNTU_RELEASES = (
     'zesty',
     'artful',
     'bionic',
+    'cosmic',
 )
 
 
diff --git a/tests/charmhelpers/core/host_factory/ubuntu.py b/tests/charmhelpers/core/host_factory/ubuntu.py
index 99451b5..a6d375a 100644
--- a/tests/charmhelpers/core/host_factory/ubuntu.py
+++ b/tests/charmhelpers/core/host_factory/ubuntu.py
@@ -21,6 +21,7 @@ UBUNTU_RELEASES = (
     'zesty',
     'artful',
     'bionic',
+    'cosmic',
 )