diff --git a/requirements.txt b/requirements.txt
index da20277..9a11f24 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -73,7 +73,7 @@ MarkupSafe==2.0.1
 matplotlib-inline==0.1.3
 mccabe==0.6.1
 mergedeep==1.3.4
-mistune==0.8.4
+mistune==2.0.3
 mkdocs==1.2.3
 mkdocs-material==5.5.14
 mkdocs-material-extensions==1.0.3