diff --git a/requirements.txt b/requirements.txt
index 2d749e0..0d2805e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ bokeh==1.0.4
 ipython==7.2.0
 jupyter==1.0.0
 matplotlib==3.0.2
-notebook==6.1.5
+notebook==6.4.12
 scipy==1.2.0
 seaborn==0.9.0
 jupyter==1.0.0