diff --git a/requirements-old.txt b/requirements-old.txt
index b31c620..5cf2d3a 100644
--- a/requirements-old.txt
+++ b/requirements-old.txt
@@ -42,7 +42,7 @@ nbclient==0.5.2
 nbconvert==6.0.7
 nbformat==5.1.2
 nest-asyncio==1.5.1
-notebook==6.2.0
+notebook==6.4.12
 numpy==1.19.5
 packaging==20.9
 pandocfilters==1.4.3