diff --git a/requirements.txt b/requirements.txt
index 1c507c1..687e304 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ jupyter-console==5.2.0
 jupyter-core==4.4.0
 MarkupSafe==1.0
 mistune==0.8.1
-nbconvert==5.3.1
+nbconvert==6.3.0
 nbformat==4.4.0
 nltk==3.2.5
 notebook==5.2.1