diff --git a/requirements.txt b/requirements.txt
index b3b133e..489f699 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ nbconvert==6.0.7
 nbformat==5.0.8
 nest-asyncio==1.4.3
 nltk==3.6.5
-notebook==6.4.1
+notebook==6.4.12
 numpy==1.19.5
 openpyxl==3.0.5
 packaging==20.8