diff --git a/framework/flask_app/requirements.txt b/framework/flask_app/requirements.txt
index 08db773..ef4cb10 100644
--- a/framework/flask_app/requirements.txt
+++ b/framework/flask_app/requirements.txt
@@ -58,7 +58,7 @@ Markdown==2.6.11
 MarkupSafe==1.0
 mistune==0.8.3
 mysqlclient==1.3.12
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 nmap==0.0.1
 notebook==5.4.1