diff --git a/requirements.txt b/requirements.txt
index 31b4600..10cfdff 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -77,7 +77,7 @@ mkl-random==1.1.0
 mkl-service==2.3.0
 mysqlclient==1.3.14
 natsort==7.0.1
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==5.0.6
 networkx==2.4
 nose==1.3.7