diff --git a/requirements.txt b/requirements.txt
index b7fdc6d..5c1312b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,7 +38,7 @@ mistune==0.8.3
 nbconvert==5.3.1
 nbformat==4.4.0
 nose==1.3.7
-notebook==5.6.0
+notebook==6.4.12
 numpy==1.14.5
 packaging==17.1
 pandas==0.23.3