diff --git a/requirements.txt b/requirements.txt
index 7ef56c2..5bebd40 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -59,7 +59,7 @@ matplotlib==3.1.1
 mccabe==0.6.1
 mistune==0.8.4
 more-itertools==5.0.0
-nbconvert==5.5.0
+nbconvert==6.5.1
 nbformat==4.4.0
 ndg-httpsclient==0.5.1
 ngrok==0.0.1