diff --git a/requirements.txt b/requirements.txt
index 4d615e0..f14deb5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -115,7 +115,7 @@ maxminddb==1.3.0
 mccabe==0.6.1
 mistune==0.7.2
 mock==2.0.0
-nbconvert==4.1.0
+nbconvert==6.5.1
 nbformat==4.0.1
 ndg-httpsclient==0.4.0
 networkx==2.1