diff --git a/dev-requirements.txt b/dev-requirements.txt
index 118c170..eddba12 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -16,7 +16,7 @@ interrogate==1.3.2
 ipykernel==5.5.0
 isort==5.6.4
 mypy==0.790
-notebook==6.4.1
+notebook==6.4.12
 papermill==2.3.1
 pep8-naming==0.11.1
 pre-commit==2.11.1