diff --git a/requirements.txt b/requirements.txt
index 7f5ef54..b4176a4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -109,7 +109,7 @@ nbformat==4.4.0
 networkx==2.2
 nltk==3.4
 nose==1.3.7
-notebook==5.7.4
+notebook==6.4.12
 numba==0.41.0
 numexpr==2.6.8
 numpy==1.15.4