diff --git a/datacontract/model/data_contract_specification.py b/datacontract/model/data_contract_specification.py
index 33d60d78..1359f5fb 100644
--- a/datacontract/model/data_contract_specification.py
+++ b/datacontract/model/data_contract_specification.py
@@ -98,6 +98,7 @@ class Model(pyd.BaseModel):
     namespace: str = None
     title: str = None
     fields: Dict[str, Field] = {}
+    config: Dict[str, Any] = None
 
 
 class Info(pyd.BaseModel):