diff --git a/requirements.txt b/requirements.txt
index cd1a3ac..be0b4f9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -75,7 +75,7 @@ matplotlib==3.2.1
 mistune==0.8.4
 more-itertools==8.2.0
 multidict==4.7.6
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==5.0.4
 nbserverproxy==0.8.8
 nltk==3.5