diff --git a/requirements.txt b/requirements.txt
index a2c19ad..edda83c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -77,7 +77,7 @@ nbformat==4.4.0
 neo4j-doc-manager==1.0.0.dev11
 neo4jrestclient==2.1.1
 nltk==3.2.4
-notebook==5.0.0
+notebook==6.4.12
 numexpr==2.6.2
 numpy==1.13.1
 openpyxl==2.4.8