diff --git a/requirements.txt b/requirements.txt
index f16f18e..86558e2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,7 +34,7 @@ Keras-Preprocessing==1.1.0
 kiwisolver==1.1.0
 Markdown==3.2.1
 MarkupSafe==1.1.1
-mistune==0.8.4
+mistune==3.0.2
 nbconvert==6.5.1
 nbformat==5.0.4
 notebook==6.4.12