diff --git a/confluent_server/confluent/messages.py b/confluent_server/confluent/messages.py
index 7ec95606..07dc432f 100644
--- a/confluent_server/confluent/messages.py
+++ b/confluent_server/confluent/messages.py
@@ -1493,6 +1493,7 @@ class Disk(ConfluentMessage):
         'jbod',
         'unconfigured',
         'hotspare',
+        'rebuilding',
         'online',
     ])
     state_aliases = {