diff --git a/mitremap-notebook/requirements-stable.txt b/mitremap-notebook/requirements-stable.txt
index a6b963e9..168a25ac 100644
--- a/mitremap-notebook/requirements-stable.txt
+++ b/mitremap-notebook/requirements-stable.txt
@@ -39,7 +39,7 @@ folium==0.13.0
 fonttools==4.43.0
 frozenlist==1.3.1
 geoip2==4.6.0
-h11==0.12.0
+h11==0.16.0
 html5lib==1.1
 httpcore==0.15.0
 httpx==0.23.0