diff --git a/requirements.txt b/requirements.txt
index 1df5b22..fb8c791 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ lazy-object-proxy==1.4.3
 MarkupSafe==1.1.1
 matplotlib==3.1.1
 mccabe==0.6.1
-mistune==0.8.4
+mistune==2.0.3
 mmh3==2.5.1
 more-itertools==7.2.0
 nbconvert==5.6.1