diff --git a/requirements.txt b/requirements.txt
index dacbebc..03b0909 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ jwt==0.5.2
 Mako==1.0.7
 MarkupSafe==1.0
 mimerender==0.6.0
-mistune==0.7.4
+mistune==0.8.1
 nose==1.3.7
 psycopg2==2.7.3.1
 pyasn1==0.3.6