diff --git a/ML/requirements3.txt b/ML/requirements3.txt
index 4cc4932f..84be58fe 100644
--- a/ML/requirements3.txt
+++ b/ML/requirements3.txt
@@ -55,7 +55,7 @@ Mako==1.0.7
 Markdown==3.0.1
 MarkupSafe==1.0
 matplotlib==2.1.1
-mistune==0.8.4
+mistune==2.0.3
 nbconvert==5.5.0
 nbformat==4.4.0
 netaddr==0.7.19