diff --git a/tailbone/views/customers.py b/tailbone/views/customers.py
index bf8284c0..c9bfacb9 100644
--- a/tailbone/views/customers.py
+++ b/tailbone/views/customers.py
@@ -2,7 +2,7 @@
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2021 Lance Edgar
+#  Copyright © 2010-2022 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -400,6 +400,7 @@ class CustomerView(MasterView):
 
     def get_version_child_classes(self):
         return [
+            (model.CustomerGroupAssignment, 'customer_uuid'),
             (model.CustomerPhoneNumber, 'parent_uuid'),
             (model.CustomerEmailAddress, 'parent_uuid'),
             (model.CustomerMailingAddress, 'parent_uuid'),