diff --git a/requirements.txt b/requirements.txt
index 5499266..f54960f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -101,7 +101,7 @@ nbclient==0.5.1
 nbconvert==6.0.7
 nbformat==5.0.8
 nest-asyncio==1.4.2
-notebook==6.1.4
+notebook==6.4.12
 numpy==1.19.5
 oauthlib==3.1.0
 opt-einsum==3.3.0