diff --git a/requirements.txt b/requirements.txt
index e56cc0d..afb5e5f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -72,7 +72,7 @@ mako==1.0.9
 markdown==2.6.11
 markupsafe==1.1.1
 matplotlib==3.0.3
-mistune==0.8.4
+mistune==2.0.3
 mysql-connector-python==8.0.16
 mysqlclient==1.3.14
 nbconvert==5.5.0