diff --git a/fastapi-stock/requirements.txt b/fastapi-stock/requirements.txt
index f0bf05c..e29bdc2 100644
--- a/fastapi-stock/requirements.txt
+++ b/fastapi-stock/requirements.txt
@@ -13,7 +13,7 @@ python-dateutil==2.8.2
 pytz==2023.3
 six==1.16.0
 sniffio==1.3.0
-starlette==0.27.0
+starlette==0.40.0
 typing_extensions==4.7.1
 tzdata==2023.3
 uvicorn==0.23.1