diff --git a/Titanic/requirements.txt b/Titanic/requirements.txt
index b7b45d9..bb94b27 100644
--- a/Titanic/requirements.txt
+++ b/Titanic/requirements.txt
@@ -40,7 +40,7 @@ lazy-object-proxy==1.4.3
 lxml==4.5.0
 MarkupSafe==1.1.1
 mccabe==0.6.1
-mistune==0.8.4
+mistune==2.0.3
 nbconvert==5.6.1
 nbformat==5.0.6
 notebook==6.1.5