diff --git a/docs/requirements.txt b/docs/requirements.txt
index d419879..60d2083 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -17,7 +17,7 @@ m2r==0.2.1
 markdown-it-py==0.6.2
 MarkupSafe==1.1.1
 mdit-py-plugins==0.2.6
-mistune==0.8.4
+mistune==2.0.3
 myst-parser==0.13.6
 packaging==20.9
 pkginfo==1.7.0