diff --git a/requirements.txt b/requirements.txt
index 74ad9346..c0637c86 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ jedi==0.15.1
 jmespath==0.9.4
 jsonschema==2.6.0
 Markdown==3.1.1
-mistune==0.8.4
+mistune==2.0.3
 parso==0.5.1
 pathspec==0.5.9
 pexpect==4.7.0