diff --git a/requirements.txt b/requirements.txt
index 002655b..6926dc4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -44,7 +44,7 @@ MarkupSafe==1.1.0
 matplotlib==3.0.2
 mistune==0.8.4
 mock==2.0.0
-nbconvert==5.4.0
+nbconvert==6.5.1
 nbformat==4.4.0
 networkx==2.2
 nltk==3.4