diff --git a/requirements.txt b/requirements.txt
index 569d870..04cd479 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -76,7 +76,7 @@ matplotlib==3.1.1
 mccabe==0.6.1
 mistune==0.8.4
 more-itertools==8.1.0
-nbconvert==5.4.0
+nbconvert==6.5.1
 nbformat==4.4.0
 networkx==2.3
 nltk==3.4.5