diff --git a/requirements.txt b/requirements.txt
index c52024f7..9ecd5938 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -48,7 +48,7 @@ nbformat==4.4.0
 networkx==1.11
 nltk==3.1
 normality==0.2.4
-notebook==5.7.0
+notebook==6.4.12
 numpy==1.13.3
 ontospy==1.7.3
 packaging==16.8