diff --git a/requirements.txt b/requirements.txt
index 5c2cf37..f1c0682 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ kiwisolver==1.3.1
 MarkupSafe==2.0.1
 matplotlib==3.4.2
 matplotlib-inline==0.1.2
-mistune==0.8.4
+mistune==2.0.3
 names==0.3.0
 nbclassic==0.3.1
 nbclient==0.5.3