diff --git a/requirements.txt b/requirements.txt
index 257c64d..bfff861 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ idna==3.11
 imageio==2.37.2
 Jinja2==3.1.6
 lxml==5.4.0
-markdown-it-py==3.0.0
+markdown-it-py==4.0.0
 MarkupSafe==3.0.3
 mdurl==0.1.2
 multidict==6.7.1