diff --git a/demos/first_project/requirements.txt b/demos/first_project/requirements.txt
index 412c11c..2dc8e96 100644
--- a/demos/first_project/requirements.txt
+++ b/demos/first_project/requirements.txt
@@ -14,7 +14,7 @@ certifi==2025.1.31
     #   httpx
 colorama==0.4.6
     # via -r requirements.piptools
-h11==0.14.0
+h11==0.16.0
     # via httpcore
 httpcore==1.0.7
     # via httpx