diff --git a/website/app/requirements.txt b/website/app/requirements.txt
index b4d367c..e2d56bb 100644
--- a/website/app/requirements.txt
+++ b/website/app/requirements.txt
@@ -61,7 +61,7 @@ Mako==1.0.7
 Markdown==3.0.1
 MarkupSafe==1.0
 matplotlib==3.0.2
-mistune==0.8.3
+mistune==2.0.3
 mpmath==1.0.0
 nbconvert==5.3.1
 nbformat==4.4.0