diff --git a/requirements.txt b/requirements.txt
index dea5008..062393f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,7 +38,7 @@ kiwisolver==1.0.1
 Markdown==3.0.1
 MarkupSafe==1.1.0
 matplotlib==3.0.2
-mistune==0.8.4
+mistune==2.0.3
 nbconvert==5.4.0
 nbformat==4.4.0
 netifaces==0.10.9