diff --git a/requirements_dev.txt b/requirements_dev.txt
index 2705875..a43f557 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -7,7 +7,7 @@ tox==2.9.1
 coverage==4.5.1
 Sphinx==1.7.1
 twine==1.10.0
-nbconvert==5.3.1
+nbconvert==6.3.0
 requests>=2.8,<3.0
 flask-restful==0.3.6
 jupyter_enterprise_gateway>=1.0.0