diff --git a/requirements.txt b/requirements.txt
index 2bb1161..99e963c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ jupyterlab-server==1.2.0
 kiwisolver==1.2.0
 MarkupSafe==1.1.1
 matplotlib==3.3.2
-mistune==0.8.4
+mistune==2.0.3
 mysql-connector-python==8.0.22
 nbclient==0.5.1
 nbconvert==6.0.7