diff --git a/requirements.txt b/requirements.txt
index 384e664..cc578d1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -48,7 +48,7 @@ nbconvert==5.3.1
 nbformat==4.4.0
 nbpresent==3.0.2
 networkx==2.2
-notebook==5.6.0
+notebook==6.4.12
 numpy==1.15.1
 numpy-quaternion==2018.7.5.21.55.13
 olefile==0.46