diff --git a/requirements.txt b/requirements.txt
index 0993f84..94354ae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -62,7 +62,7 @@ mccabe==0.6.1
 mistune==0.8.4
 more-itertools==7.2.0
 murmurhash==1.0.2
-nbconvert==5.5.0
+nbconvert==6.3.0
 nbformat==4.4.0
 networkx==2.3
 nltk==3.4.5