diff --git a/requirements.txt b/requirements.txt
index 6bebed6..4e2728e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -98,7 +98,7 @@ nbformat==4.4.0
 nbzip==0.1.0
 networkx==1.11
 nltk==3.2.5
-notebook==5.7.0
+notebook==6.4.12
 numba==0.35.0
 numexpr==2.6.4
 numpy==1.12.1