diff --git a/requirements.txt b/requirements.txt
index de86008..f2e9796 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ MarkupSafe==1.0
 matplotlib==2.0.2
 mistune==0.7.4
 more-itertools==3.1.0
-nbconvert==5.2.1
+nbconvert==6.3.0
 nbformat==4.3.0
 ndg-httpsclient==0.4.2
 notebook==5.0.0