diff --git a/config-generator.conf b/config-generator.conf
index 322215ae3e..deb30dabaa 100644
--- a/config-generator.conf
+++ b/config-generator.conf
@@ -20,3 +20,4 @@ namespace = oslo.reports
 namespace = oslo.service.service
 namespace = oslo.service.periodic_task
 namespace = oslo.service.sslutils
+namespace = oslo.versionedobjects