diff --git a/requirements.txt b/requirements.txt
index d60f8ee..0004fb6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ mistune==0.8.4
 more-itertools==8.0.2
 nbconvert==5.6.1
 nbformat==4.4.0
-notebook==6.1.5
+notebook==6.4.1
 numpy==1.17.4
 packaging==20.3
 pandas==0.25.3