diff --git a/requirements.txt b/requirements.txt
index a417ac1..97c7e96 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ matplotlib==2.2.2
 mistune==0.8.1
 nbconvert==5.1.1
 nbformat==4.4.0
-notebook==5.7.8
+notebook==6.4.12
 numpy==1.14.5
 packaging==16.8
 pandas==0.23.3