diff --git a/requirements.txt b/requirements.txt
index ede17d2..2d3b4e0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,7 +37,7 @@ nbclient==0.5.3
 nbconvert==6.0.7
 nbformat==5.1.2
 nest-asyncio==1.5.1
-notebook==6.4.1
+notebook==6.4.12
 numpy==1.19.1
 packaging==20.9
 pandas==1.1.0
diff --git a/requirements_no_zunis.txt b/requirements_no_zunis.txt
index 7b318be..fb626b5 100644
--- a/requirements_no_zunis.txt
+++ b/requirements_no_zunis.txt
@@ -37,7 +37,7 @@ nbclient==0.5.3
 nbconvert==6.0.7
 nbformat==5.1.2
 nest-asyncio==1.5.1
-notebook==6.4.1
+notebook==6.4.12
 numpy==1.19.1
 packaging==20.9
 pandas==1.1.0