diff --git a/requirements.txt b/requirements.txt
index 6475699..efe3cdb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -52,7 +52,7 @@ Markdown==3.3.7
 MarkupSafe==2.0.1
 matplotlib==3.5.2
 matplotlib-inline==0.1.2
-mistune==0.8.4
+mistune==2.0.3
 nbclient==0.5.11
 nbconvert==6.3.0
 nbformat==5.1.3