diff --git a/requirements-dev.txt b/requirements-dev.txt
index d5a8ea2..9c928bf 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -33,7 +33,7 @@ MarkupSafe==1.1.1
 matplotlib==1.4.3
 mistune==0.8.4
 more-itertools==5.0.0
-nbconvert==5.5.0
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==5.7.8
 numpy==1.10.1