diff --git a/litellm/tests/test_config.py b/litellm/tests/test_config.py
index 60a5de494..cd61101a3 100644
--- a/litellm/tests/test_config.py
+++ b/litellm/tests/test_config.py
@@ -26,9 +26,7 @@ class DBModel(BaseModel):
     model_info: dict
     litellm_params: dict
 
-    class Config:
-        protected_namespaces = ()
-
+    model_config = ConfigDict(protected_namespaces=())
 
 @pytest.mark.asyncio
 async def test_delete_deployment():