diff --git a/requirements.txt b/requirements.txt
index 6019b1c..26bd743 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -116,7 +116,7 @@ nbformat==4.4.0
 networkx==2.2
 nltk==3.3
 nose==1.3.7
-notebook==5.7.0
+notebook==6.1.5
 numba==0.40.0
 numexpr==2.6.8
 numpy==1.15.2