diff --git a/examples/chat_playground/server.py b/examples/chat_playground/server.py
index 4b80eb38..ddf6aafb 100755
--- a/examples/chat_playground/server.py
+++ b/examples/chat_playground/server.py
@@ -5,7 +5,7 @@
 from typing import List, Union
 
 from fastapi import FastAPI
-from langchain.chat_models import ChatAnthropic
+from langchain_anthropic.chat_models import ChatAnthropic
 from langchain_core.messages import AIMessage, HumanMessage, SystemMessage
 from langchain_core.prompts import ChatPromptTemplate, MessagesPlaceholder
 
@@ -27,7 +27,7 @@
     ]
 )
 
-chain = prompt | ChatAnthropic(model="claude-2")
+chain = prompt | ChatAnthropic(model_name="claude-3-sonnet-20240229")
 
 
 class InputChat(BaseModel):