diff --git a/requirements.txt b/requirements.txt
index 9d80603..dc609b8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ joblib==0.8.4
 jsonschema==2.6.0
 lxml==3.8.0
 MarkupSafe==1.0
-mistune==0.7.4
+mistune==0.8.1
 mock==2.0.0
 murmurhash==0.26.4
 networkx==1.11