diff --git a/requirement.txt b/requirement.txt
index 43762b2..c2f83b4 100644
--- a/requirement.txt
+++ b/requirement.txt
@@ -50,7 +50,7 @@ nbformat==4.4.0
 networkx==2.1
 nltk==3.4.5
 nose==1.3.7
-notebook==5.5.0
+notebook==6.4.12
 numba==0.38.0
 numexpr==2.6.5
 numpy==1.14.3