diff --git a/requirements.txt b/requirements.txt
index 847f84b..c2c3cab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,7 +37,7 @@ Markdown==2.6.11
 MarkupSafe==1.0
 matplotlib==2.2.3
 mdai==0.0.5
-mistune==0.8.3
+mistune==2.0.3
 nbconvert==5.3.1
 nbformat==4.4.0
 networkx==2.1