diff --git a/requirements.txt b/requirements.txt
index 9a498d0..79b8a3b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ nbclient==0.5.1
 nbconvert==5.6.1
 nbformat==5.0.8
 nest-asyncio==1.4.3
-notebook==6.1.5
+notebook==6.4.12
 packaging==20.7
 pandocfilters==1.4.3
 parso==0.7.1