diff --git a/drake/requirements.txt b/drake/requirements.txt
index 014cec38f..2c7af5614 100644
--- a/drake/requirements.txt
+++ b/drake/requirements.txt
@@ -1,5 +1,5 @@
 Mako==1.0.7
 greenlet==0.4.15
-mistune==0.8.4
+mistune==2.0.3
 orderedset==2.0.1
 requests==2.20.0