diff --git a/pyrohlik/models/order.py b/pyrohlik/models/order.py
index bea4ce5..529fd08 100644
--- a/pyrohlik/models/order.py
+++ b/pyrohlik/models/order.py
@@ -1,7 +1,7 @@
 from decimal import Decimal
 from datetime import datetime
 from typing import List, Optional
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, Field, RootModel
 
 
 class Price(BaseModel):
@@ -75,5 +75,5 @@ class Order(BaseModel):
     items: List[OrderProduct]
 
 
-class Orders(BaseModel):
-    __root__: List[OrderList]
+class Orders(RootModel):
+    root: List[OrderList]