diff --git a/examples/Python/ChatApp/app.py b/examples/Python/ChatApp/app.py
index 7717f8a4..ae6bf1cd 100644
--- a/examples/Python/ChatApp/app.py
+++ b/examples/Python/ChatApp/app.py
@@ -12,7 +12,7 @@
 import os
 from azure.identity import DefaultAzureCredential
 from azure.appconfiguration.provider import load, SettingSelector, WatchKey
-from azure.ai.inference import ChatCompletionsClient
+from azure.ai.projects import AIProjectClient
 from models import AzureAIFoundryConfiguration, ChatCompletionConfiguration
 
 APP_CONFIG_ENDPOINT_KEY = "AZURE_APPCONFIGURATION_ENDPOINT"
@@ -44,7 +44,8 @@ def main():
     azure_foundry_config = AzureAIFoundryConfiguration(
         endpoint=APPCONFIG.get("AzureAIFoundry:Endpoint", "")
     )
-    chat_client = create_chat_client(azure_foundry_config)
+    project_client = create_project_client(azure_foundry_config)
+    openai_client = project_client.get_openai_client()
 
     chat_conversation = []
 
@@ -71,9 +72,10 @@ def main():
         chat_messages.extend(chat_conversation)
 
         # Get AI response and add it to chat conversation
-        response = chat_client.complete(
+        response = openai_client.chat.completions.create(
             model=CHAT_COMPLETION_CONFIG.model,
             messages=chat_messages,
+            max_completion_tokens=CHAT_COMPLETION_CONFIG.max_completion_tokens,
         )
 
         ai_response = response.choices[0].message.content
@@ -90,14 +92,13 @@ def configure_app():
     CHAT_COMPLETION_CONFIG = ChatCompletionConfiguration(**APPCONFIG["ChatCompletion"])
 
 
-def create_chat_client(config: AzureAIFoundryConfiguration) -> ChatCompletionsClient:
+def create_project_client(config: AzureAIFoundryConfiguration) -> AIProjectClient:
     """
-    Create a ChatCompletionsClient using the configuration from Azure App Configuration.
+    Create an AIProjectClient using the configuration from Azure App Configuration.
     """
-    return ChatCompletionsClient(
+    return AIProjectClient(
         endpoint=config.endpoint,
         credential=CREDENTIAL,
-        credential_scopes=["https://cognitiveservices.azure.com/.default"],
     )
 
 
diff --git a/examples/Python/ChatApp/requirements.txt b/examples/Python/ChatApp/requirements.txt
index cc67535d..c59da157 100644
--- a/examples/Python/ChatApp/requirements.txt
+++ b/examples/Python/ChatApp/requirements.txt
@@ -1,3 +1,3 @@
 azure-identity
 azure-appconfiguration-provider<3.0.0
-azure-ai-inference
+azure-ai-projects>=2.0.0