diff --git a/requirements.txt b/requirements.txt
index b7f5cb2..fe3bea0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -51,7 +51,7 @@ nbconvert==5.6.1
 nbdime==2.0.0
 nbformat==5.0.6
 nodejs==0.1.1
-notebook==6.0.3
+notebook==6.4.1
 numpy==1.18.5
 oauthlib==3.1.0
 opt-einsum==3.2.1