diff --git a/requirements.txt b/requirements.txt
index 0c8387e..9cd19b1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -44,7 +44,7 @@ matplotlib==3.1.0
 mistune==0.8.4
 mock==3.0.5
 murmurhash==1.0.2
-nbconvert==5.5.0
+nbconvert==6.3.0
 nbformat==4.4.0
 nltk==3.4.1
 notebook==5.7.8