diff --git a/requirements.txt b/requirements.txt
index be93e7d..d2e0178 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,7 +43,7 @@ lime==0.1.1.37
 Mako==1.1.0
 MarkupSafe==1.1.1
 matplotlib==3.1.3
-mistune==0.8.4
+mistune==2.0.3
 nbconvert==5.6.1
 nbformat==5.0.4
 networkx==2.4