diff --git a/requirements.txt b/requirements.txt
index 9f8c815..f17b3dc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,7 +39,7 @@ Markdown==3.1.1
 MarkupSafe==1.1.1
 mistune==0.8.4
 more-itertools==8.0.2
-nbconvert==5.6.1
+nbconvert==6.3.0
 nbformat==4.4.0
 nltk==3.4.5
 notebook==6.0.2