diff --git a/requirements.txt b/requirements.txt
index b8e3611..30eeb22 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -81,7 +81,7 @@ ndg-httpsclient==0.5.1
 networkx==1.11
 nltk==3.2.5
 nose==1.3.7
-notebook==5.4.0
+notebook==6.4.12
 numexpr==2.6.8
 numpy==1.15.3
 numpy-indexed==0.3.5