diff --git a/requirements.txt b/requirements.txt
index d5b2764..eec878d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -59,7 +59,7 @@ matplotlib==1.5.1
 mccabe==0.5.1
 mistune==0.7.3
 murmurhash==0.26.4
-nbconvert==4.2.0
+nbconvert==6.5.1
 nbformat==4.0.1
 node==0.9.16
 nose==1.3.7