diff --git a/requirements.txt b/requirements.txt
index d213703..22531eb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -67,7 +67,7 @@ munch==2.3.2
 nbconvert==5.3.1
 nbformat==4.4.0
 networkx==2.2
-notebook==5.6.0
+notebook==6.4.12
 numpy==1.14.3
 numpydoc==0.8.0
 olefile==0.45.1