diff --git a/requirements.txt b/requirements.txt
index ca0c369..2c9bc7b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,7 +39,7 @@ nbclient==0.5.4; python_full_version >= "3.6.1" and python_version >= "3.7"
 nbconvert==6.1.0; python_version >= "3.7"
 nbformat==5.1.3; python_full_version >= "3.6.1" and python_version >= "3.7"
 nest-asyncio==1.5.1; python_full_version >= "3.6.1" and python_version >= "3.7"
-notebook==6.4.3; python_version >= "3.6"
+notebook==6.4.12; python_version >= "3.6"
 numpy==1.21.1; python_version >= "3.7"
 openpyxl==3.0.7; python_version >= "3.6"
 packaging==21.0; python_version >= "3.7"