diff --git a/requirements.txt b/requirements.txt
index 2f5373b..39aff3c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -106,7 +106,7 @@ nbformat==4.4.0
 networkx==2.2
 nltk==3.4
 nose==1.3.7
-notebook==5.7.4
+notebook==6.4.1
 numba==0.42.0
 numexpr==2.6.8
 numpy==1.15.4