diff --git a/requirements.txt b/requirements.txt
index 44fb99c..dd5d187 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -83,7 +83,7 @@ mpmath==0.19
 msgpack-python==0.4.8
 multipledispatch==0.4.9
 navigator-updater==0.1.0
-nbconvert==5.1.1
+nbconvert==6.5.1
 nbformat==4.3.0
 netaddr==0.7.19
 networkx==1.11