diff --git a/requirements.txt b/requirements.txt
index 2d59033..7609efa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ MarkupSafe==1.1.1
 mistune==0.8.4
 nbconvert==5.6.1
 nbformat==5.0.6
-notebook==6.1.5
+notebook==6.4.12
 numpy==1.18.4
 oauthlib==3.1.0
 packaging==20.3