diff --git a/chapter-04/lab-4.3/requirements.txt b/chapter-04/lab-4.3/requirements.txt
index fb4ab40..126635c 100644
--- a/chapter-04/lab-4.3/requirements.txt
+++ b/chapter-04/lab-4.3/requirements.txt
@@ -15,6 +15,6 @@ pydantic_core==2.14.6
 sgmllib3k==1.0.0
 sniffio==1.3.0
 sse-starlette==1.8.2
-starlette==0.35.1
+starlette==0.36.2
 typing_extensions==4.9.0
 uvicorn==0.25.0