diff --git a/tasks/python-keras-text-classification/Requirements.txt b/tasks/python-keras-text-classification/Requirements.txt
index 32c7bf9..ff5d82b 100644
--- a/tasks/python-keras-text-classification/Requirements.txt
+++ b/tasks/python-keras-text-classification/Requirements.txt
@@ -18,7 +18,7 @@ jupyter-core==4.6.1
 jupyterlab==1.2.6
 jupyterlab-server==1.0.6
 MarkupSafe==1.1.1
-mistune==0.8.4
+mistune==2.0.3
 nbconvert==5.6.1
 nbformat==5.0.4
 notebook==6.0.3