diff --git a/requirements.txt b/requirements.txt
index edc1797..31550c2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -48,7 +48,7 @@ mistune==0.8.4
 more-itertools==7.2.0
 mypy==0.730
 mypy-extensions==0.4.2
-nbconvert==5.6.0
+nbconvert==6.3.0
 nbformat==4.4.0
 nltk==3.5
 notebook==5.2.2