diff --git a/src/osuclient/schema.py b/src/osuclient/schema.py
index 7e21892..c3ac8db 100644
--- a/src/osuclient/schema.py
+++ b/src/osuclient/schema.py
@@ -26,7 +26,6 @@ class UserToken(Token):
 
 class CustomModel(BaseModel):
     model_config = ConfigDict(
-        extra='forbid',
         validate_by_alias=True,
         validate_by_name=True,
         json_encoders={datetime: lambda dt: dt.isoformat() if dt else None},