diff --git a/misc/requirements.txt b/misc/requirements.txt
index fc032b3a..216298ef 100644
--- a/misc/requirements.txt
+++ b/misc/requirements.txt
@@ -52,7 +52,7 @@ lxml==4.6.1
 Markdown==3.3.3
 MarkupSafe==1.1.1
 matplotlib==3.3.3
-mistune==0.8.4
+mistune==2.0.3
 nbclient==0.5.1
 nbconvert==6.0.7
 nbformat==5.0.8