diff --git a/requirements.txt b/requirements.txt
index 2b839ad..ae93aa6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ mistune==0.8.4
 more-itertools==8.3.0
 nbconvert==5.6.1
 nbformat==5.0.6
-notebook==6.0.3
+notebook==6.4.1
 numpy==1.18.4
 packaging==20.4
 pandas==1.0.3