diff --git a/requirements.txt b/requirements.txt
index 53a9965..92dd9ae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -45,7 +45,7 @@ nbclient==0.5.3
 nbconvert==6.1.0
 nbformat==5.1.3
 nest-asyncio==1.5.1
-notebook==6.4.1
+notebook==6.4.12
 numpy==1.21.1
 packaging==21.0
 pandocfilters==1.4.3