diff --git a/TreeViz/requirements.txt b/TreeViz/requirements.txt
index e82c1c7..dd18e61 100644
--- a/TreeViz/requirements.txt
+++ b/TreeViz/requirements.txt
@@ -56,7 +56,7 @@ mock==1.3.0
 nbconvert==4.0.0
 nbformat==4.0.0
 nose==1.3.7
-notebook==4.0.4
+notebook==6.4.10
 numpy==1.8.2
 numpydoc==0.5
 oauthlib==0.6.1