diff --git a/requirements.txt b/requirements.txt
index 4abdbcb..0bfa83b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -71,7 +71,7 @@ nbformat==4.0.1
 networkx==1.10
 nltk==3.1
 nose==1.3.7
-notebook==4.0.6
+notebook==6.4.12
 numba==0.21.0
 numexpr==2.4.4
 numpy==1.10.1