diff --git a/requirements-old.txt b/requirements-old.txt
index b31c620..808ba98 100644
--- a/requirements-old.txt
+++ b/requirements-old.txt
@@ -39,7 +39,7 @@ MarkupSafe==1.1.1
 matplotlib==3.3.4
 mistune==0.8.4
 nbclient==0.5.2
-nbconvert==6.0.7
+nbconvert==6.5.1
 nbformat==5.1.2
 nest-asyncio==1.5.1
 notebook==6.2.0