diff --git a/requirements.txt b/requirements.txt
index 125de26..080e84f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -47,7 +47,7 @@ more-itertools==8.0.2
 nbconvert==5.6.1
 nbformat==4.4.0
 nbstripout==0.3.6
-notebook==6.0.2
+notebook==6.4.12
 numpy==1.18.0
 oauthlib==3.1.0
 opt-einsum==3.1.0