diff --git a/docs/requirements.txt b/docs/requirements.txt
index 2819152fd..f08297af3 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -9,7 +9,7 @@ idna==2.8
 imagesize==1.1.0
 Jinja2==2.10.3
 MarkupSafe==1.1.1
-mistune==0.8.4
+mistune==2.0.3
 packaging==19.2
 Pygments==2.5.2
 pyparsing==2.4.5