diff --git a/requirements.txt b/requirements.txt
index 2271cbb..cbb36d0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -44,7 +44,7 @@ mistune==0.8.4
 #mkl-random==1.0.2
 #mkl-service==2.0.2
 natsort==6.0.0
-nbconvert==5.5.0
+nbconvert==6.5.1
 nbformat==4.4.0
 networkx==2.3
 notebook==6.0.0