diff --git a/requirements.txt b/requirements.txt
index 7312d22..1c3f61b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ jupyter-console==4.1.1
 jupyter-core==4.1.0
 MarkupSafe==0.23
 matplotlib==1.5.2
-mistune==0.7.2
+mistune==2.0.3
 munch==2.0.4
 nbconvert==4.2.0
 nbformat==4.0.1