diff --git a/requirements.txt b/requirements.txt
index b9cd38c..5c98eab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ ipython==7.9.0
 ipywidgets==7.5.1
 jupyter==1.0.0
 matplotlib==3.1.2
-notebook==6.1.5
+notebook==6.4.12
 numpy==1.17.4
 pandas==0.25.3
 pyglet==1.4.8