diff --git a/dgraph/requirements.txt b/dgraph/requirements.txt
index 95b7cfc..064a7bf 100644
--- a/dgraph/requirements.txt
+++ b/dgraph/requirements.txt
@@ -28,7 +28,7 @@ jupyterlab-pygments==0.1.2
 kiwisolver==1.2.0
 MarkupSafe==1.1.1
 matplotlib==3.3.2
-mistune==0.8.4
+mistune==2.0.3
 nbclient==0.5.0
 nbconvert==6.0.7
 nbformat==5.0.7