diff --git a/packages/backend/server/src/schema.gql b/packages/backend/server/src/schema.gql
index 7893a47391..42f31f467e 100644
--- a/packages/backend/server/src/schema.gql
+++ b/packages/backend/server/src/schema.gql
@@ -303,6 +303,7 @@ enum DocRole {
   Editor
   External
   Manager
+  None
   Owner
   Reader
 }