diff --git a/requirements.txt b/requirements.txt
index 85d2acb..28cb880 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -47,7 +47,7 @@ matplotlib==3.5.2
 matplotlib-inline==0.1.3
 mccabe==0.7.0
 mido==1.2.10
-mistune==0.8.4
+mistune==2.0.3
 mypy-extensions==0.4.3
 nbclient==0.6.4
 nbconvert==6.5.0