diff --git a/requirements.txt b/requirements.txt
index 9088d67..8c0a558 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,7 +38,7 @@ MarkupSafe==1.1.0
 matplotlib==3.0.2
 mccabe==0.6.1
 mistune==0.8.4
-nbconvert==5.4.0
+nbconvert==6.3.0
 nbformat==4.4.0
 nltk==3.4
 notebook==5.7.4