diff --git a/samples/mcp/service-2/requirements.txt b/samples/mcp/service-2/requirements.txt
index 7163d628..fcd362ff 100644
--- a/samples/mcp/service-2/requirements.txt
+++ b/samples/mcp/service-2/requirements.txt
@@ -22,7 +22,7 @@ quart==0.18.3
 quart-cors==0.6.0
 sniffio==1.3.1
 sse-starlette==2.2.1
-starlette==0.45.3
+starlette==1.3.1
 typing_extensions==4.12.2
 uvicorn==0.34.0
 Werkzeug==2.3.7