diff --git a/requirements.txt b/requirements.txt
index 12fde28..bec4b32 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -61,7 +61,7 @@ Markdown==3.3.7
 MarkupSafe==2.1.1
 matplotlib==3.5.2
 matplotlib-inline==0.1.3
-mistune==0.8.4
+mistune==3.2.1
 ml-collections==0.1.1
 msgpack==1.0.4
 nbclient==0.6.4