diff --git a/requirements.txt b/requirements.txt
index 21a43eb..f18dd6b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ Mako==1.1.0
 MarkupSafe==1.1.1
 mistune==0.8.4
 more-itertools==5.0.0
-nbconvert==5.6.0
+nbconvert==6.5.1
 nbformat==4.4.0
 nltk==3.4.5
 notebook==6.0.1