diff --git a/backend/open_webui/routers/users.py b/backend/open_webui/routers/users.py
index cff598b236..f0cbb6dd16 100644
--- a/backend/open_webui/routers/users.py
+++ b/backend/open_webui/routers/users.py
@@ -207,6 +207,7 @@ class SharingPermissions(BaseModel):
 
 class AccessGrantsPermissions(BaseModel):
     allow_users: bool = True
+    allow_groups: bool = True
 
 
 class ChatPermissions(BaseModel):