diff --git a/requirements.txt b/requirements.txt
index de96149..a4d3d9a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -62,7 +62,7 @@ more-itertools==7.2.0
 msgpack==0.6.2
 msgpack-numpy==0.4.4.3
 natsort==6.2.0
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==4.4.0
 networkx==2.4
 notebook==6.0.2