diff --git a/requirements.txt b/requirements.txt
index 16a45fc..aacffb8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ jupyter-console==4.1.1
 jupyter-core==4.1.0
 MarkupSafe==0.23
 metakernel==0.13.1
-mistune==0.7.3
+mistune==0.8.1
 nbconvert==4.2.0
 nbformat==4.0.1
 notebook==4.2.1