diff --git a/requirements.txt b/requirements.txt
index e5effb3..7e1c6eb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -60,7 +60,7 @@ music21==5.1.0
 nbconvert==5.3.1
 nbformat==4.4.0
 networkx==2.1
-notebook==5.4.1
+notebook==6.4.12
 numba==0.37.0
 numpy==1.14.2
 opencv-contrib-python==3.4.0.12