diff --git a/requirements.txt b/requirements.txt
index 9e1cf1c..5a8bfe9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -51,7 +51,7 @@ Markdown==3.2.1
 MarkupSafe==1.1.1
 mistune==0.8.4
 more-itertools==8.2.0
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==5.0.4
 networkx==2.0
 nltk==3.4.5