diff --git a/requirements.txt b/requirements.txt
index 88592ab..466d7c6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ mccabe==0.6.1
 mistune==0.8.3
 nbconvert==5.3.1
 nbformat==4.4.0
-notebook==5.5.0
+notebook==6.4.12
 npyscreen==4.10.5
 numpy==1.15.0
 oauthlib==2.1.0