diff --git a/requirements.txt b/requirements.txt
index 64785f1..dad2b8e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -102,7 +102,7 @@ nbconvert==6.3.0; 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"
 nltk==3.6.5; python_version >= "3.6"
-notebook==6.4.6; python_version >= "3.6"
+notebook==6.4.12; python_version >= "3.6"
 nox==2019.11.9; python_version >= "3.5"
 numpy==1.21.1; python_version >= "3.7"
 oauthlib==3.1.1; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.4.0" and python_version >= "3.6"