diff --git a/requirements.txt b/requirements.txt
index 54ac959..98574b8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -68,7 +68,7 @@ mccabe==0.6.1
 mistune==0.8.3
 mkl==2018.0.3
 more-itertools==4.2.0
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 networkx==2.1
 ninja==1.8.2