diff --git a/requirements.txt b/requirements.txt
index 1df5b22..c2888b3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ mccabe==0.6.1
 mistune==0.8.4
 mmh3==2.5.1
 more-itertools==7.2.0
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==6.0.2
 numexpr==2.7.1