diff --git a/requirements.txt b/requirements.txt
index c6f4757..298b937 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -46,7 +46,7 @@ Mako==1.1.1
 MarkupSafe==1.1.1
 mistune==0.8.4
 more-itertools==8.1.0
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==5.0.4
 pandocfilters==1.4.2
 parsel==1.5.2