diff --git a/requirements.txt b/requirements.txt
index 0478b91..da11642 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ lazy-object-proxy==1.3.1
 Mako==1.0.7
 MarkupSafe==1.0
 mccabe==0.6.1
-mistune==0.8.3
+mistune==2.0.3
 nose==1.3.7
 pluggy==0.6.0
 psycopg2==2.7.3.2