diff --git a/app/serializers/membership_serializer.rb b/app/serializers/membership_serializer.rb
index ecb0558ca..e58d88d85 100644
--- a/app/serializers/membership_serializer.rb
+++ b/app/serializers/membership_serializer.rb
@@ -2,6 +2,6 @@ class MembershipSerializer
   include Serialization::PanoptesRestpack
   include CachedSerializer
 
-  attributes :id, :state, :href
+  attributes :id, :state, :roles, :href
   can_include :user, :user_group
 end