diff --git a/nova/compute/rpcapi.py b/nova/compute/rpcapi.py
index 685b42b0c1..e02c40093c 100644
--- a/nova/compute/rpcapi.py
+++ b/nova/compute/rpcapi.py
@@ -359,6 +359,7 @@ class ComputeAPI(object):
         'ocata': '4.13',
         'pike': '4.18',
         'queens': '5.0',
+        'rocky': '5.0',
     }
 
     def __init__(self):