diff --git a/requirements.txt b/requirements.txt
index 7d1aeba..1d1d976 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -70,7 +70,7 @@ locket==0.2.0
 lxml==3.7.2
 MarkupSafe==0.23
 matplotlib==2.0.0
-mistune==0.7.3
+mistune==0.8.1
 mpmath==0.19
 multipledispatch==0.4.9
 munch==2.1.1