diff --git a/requirements.txt b/requirements.txt
index 4abdbcb..08822d3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -64,7 +64,7 @@ Mako==0.9.1
 MarkupSafe==0.18
 matplotlib==1.4.3
 menuinst==1.2.1
-mistune==0.7.1
+mistune==2.0.3
 multipledispatch==0.4.8
 nbconvert==4.0.0
 nbformat==4.0.1