diff --git a/requirements.txt b/requirements.txt
index 273d1d2..8bc3552 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ matplotlib==2.1.1
 mccabe==0.6.1
 mistune==0.8.3
 munch==2.2.0
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 networkx==2.0
 notebook==5.2.2