diff --git a/Titanic/requirements.txt b/Titanic/requirements.txt
index b7b45d9..28ae464 100644
--- a/Titanic/requirements.txt
+++ b/Titanic/requirements.txt
@@ -43,7 +43,7 @@ mccabe==0.6.1
 mistune==0.8.4
 nbconvert==5.6.1
 nbformat==5.0.6
-notebook==6.1.5
+notebook==6.4.12
 packaging==20.3
 pandocfilters==1.4.2
 parsel==1.6.0