diff --git a/requirements.txt b/requirements.txt
index 8500f44..7618867 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 jupyter==1.0.0
-notebook==4.3.1
+notebook==6.4.1
 ipywidgets==5.2.2
 requests==2.12.4
 iso8601==0.1.11