diff --git a/requirements.txt b/requirements.txt
index a2c19ad..91c0044 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -69,7 +69,7 @@ linear-tsv==1.0.0
 lxml==3.8.0
 MarkupSafe==1.0
 matplotlib==2.0.2
-mistune==0.7.4
+mistune==0.8.1
 mongo-connector==2.5.1
 murmurhash==0.26.4
 nbconvert==5.2.1