diff --git a/requirements.txt b/requirements.txt
index 362c831..1b80724 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,7 +34,7 @@ jupyter-client==5.1.0
 jupyter-core==4.3.0
 loremipsum==1.0.5
 MarkupSafe==1.0
-mistune==0.7.4
+mistune==0.8.1
 more-itertools==4.2.0
 nb-anacondacloud==1.4.0
 nb-conda==2.2.0