diff --git a/requirements.txt b/requirements.txt
index 9881625..4a525fd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ requests>=2.20.0
 PyMySQL==0.9.3
 gunicorn==19.9.0
 dataset==1.1.2
-mistune==0.8.4
+mistune==2.0.3
 netaddr==0.7.19
 redis==3.3.11
 gevent==1.4.0