diff --git a/requirements.txt b/requirements.txt
index c0961d0..22ff355 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ mistune==0.8.4
 mlxtend==0.17.2
 nbconvert==5.6.1
 nbformat==5.0.5
-notebook==6.0.3
+notebook==6.4.1
 numpy==1.18.2
 pandas==1.0.3
 pandocfilters==1.4.2