diff --git a/requirements.txt b/requirements.txt
index 9478df9..c8867ce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,7 +34,7 @@ jupyter-core==4.6.3
 jupytext==1.6.0
 kiwisolver==1.2.0
 lxml==4.5.2
-markdown-it-py==0.5.2
+markdown-it-py==2.2.0
 MarkupSafe==1.1.1
 matplotlib==3.3.1
 mistune==0.8.4