diff --git a/requirements.txt b/requirements.txt
index 1ab3dcc..95de463 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -137,7 +137,7 @@ mpld3==0.3
 multidict==4.7.5
 murmurhash==1.0.2
 mypy-extensions==0.4.3
-nbconvert==5.6.1
+nbconvert==6.3.0
 nbformat==5.0.5
 networkx==2.4
 nltk==3.5