diff --git a/requirements.txt b/requirements.txt
index b1bb14e..d2c92cf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,7 +37,7 @@ MarkupSafe==1.1.1
 matplotlib==3.1.1
 mccabe==0.6.1
 missingno==0.4.2
-mistune==0.8.4
+mistune==2.0.3
 more-itertools==7.2.0
 nbconvert==5.6.0
 nbformat==4.4.0