diff --git a/requirements.txt b/requirements.txt
index 861536b..5c92cd3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ matplotlib==3.10.5
 fastapi[standard]==0.115.14
 python-fasthtml==0.12.25
 MonsterUI==1.0.25
-markdown-it-py==3.0.0
+markdown-it-py==4.0.0
 mdit-py-plugins==0.5.0
 bokeh==3.7.3
 uvicorn==0.35.0