diff --git a/requirements.txt b/requirements.txt
index 1247e6c..cbe67c9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,7 +43,7 @@ lime==0.1.1.36
 Markdown==3.1.1
 MarkupSafe==1.1.1
 matplotlib==3.1.1
-mistune==0.8.4
+mistune==2.0.3
 more-itertools==7.2.0
 murmurhash==1.0.2
 nbconvert==5.6.0