diff --git a/requirements.txt b/requirements.txt
index 6ed3aaf..1ba8b85 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,7 +38,7 @@ matplotlib==3.1.2
 mistune==0.8.4
 more-itertools==8.0.2
 nb-black==1.0.7
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==6.0.2
 numpy==1.17.4