diff --git a/requirements.txt b/requirements.txt
index 58a68f4..06df827 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ jupyter-console==6.2.0
 jupyter-core==4.7.0
 jupyterlab-pygments==0.1.2
 MarkupSafe==1.1.1
-mistune==0.8.4
+mistune==2.0.3
 mysqlclient==1.4.6
 nbclient==0.5.1
 nbconvert==6.0.7