diff --git a/requirements.txt b/requirements.txt
index 6a4cc41..07df0b6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,7 +39,7 @@ lmdb==0.92
 Mako==1.0.6
 MarkupSafe==1.0
 matplotlib==2.0.2
-mistune==0.7.4
+mistune==0.8.1
 mock==2.0.0
 mxnet-cu80==0.10.0
 MySQL-python==1.2.5