diff --git a/requirements.txt b/requirements.txt
index 09a1999..8cdce87 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -106,7 +106,7 @@ nbformat==4.2.0
 networkx==1.11
 nltk==3.2.5
 nose==1.3.7
-notebook==4.3.1
+notebook==6.4.12
 numba==0.36.2
 numexpr==2.6.2
 numpy==1.14.5