diff --git a/mega_applications/flask_web_app/requirements.txt b/mega_applications/flask_web_app/requirements.txt
index dd37af3..5aa8665 100644
--- a/mega_applications/flask_web_app/requirements.txt
+++ b/mega_applications/flask_web_app/requirements.txt
@@ -82,7 +82,7 @@ mistune==0.8.1
 nbconvert==5.3.1
 nbformat==4.4.0
 nose==1.3.7
-notebook==5.7.8
+notebook==6.4.1
 numpy==1.13.1
 oauth2==1.5.211
 openpyxl==2.4.8