diff --git a/requirements.txt b/requirements.txt
index 60fa0c0..a08992a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,7 +43,7 @@ lazy-object-proxy==1.4.3
 lxml==4.9.1
 MarkupSafe==1.1.1
 mccabe==0.6.1
-mistune==0.8.4
+mistune==3.2.1
 mypy-extensions==0.4.3
 nbconvert==7.17.0
 nbformat==5.0.4