diff --git a/requirements.txt b/requirements.txt
index 48f6da0..3900470 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,7 +39,7 @@ lxml==6.1.0
 MarkupSafe==2.1.1
 matplotlib==3.5.3
 matplotlib-inline==0.1.6
-mistune==2.0.4
+mistune==3.2.1
 nbclient==0.6.7
 nbconvert==7.17.1
 nbformat==5.4.0