diff --git a/requirements.txt b/requirements.txt
index c7af86a..6833c79 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -115,7 +115,7 @@ nbformat==4.4.0
 networkx==2.1
 nltk==3.2.5
 nose==1.3.7
-notebook==5.7.8
+notebook==6.4.12
 numba==0.36.2
 numexpr==2.6.4
 numpy==1.16.3