diff --git a/requirements.txt b/requirements.txt
index fc69d8f..9f324b7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -98,7 +98,7 @@ Mako==1.0.7
 Markdown==3.0.1
 MarkupSafe==1.0
 matplotlib==3.0.0
-mistune==0.8.4
+mistune==2.0.3
 mock==2.0.0
 msgpack-python==0.5.6
 mtcnn==0.0.8