diff --git a/requirements.txt b/requirements.txt
index 2884510..81f1715 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -48,7 +48,7 @@ matplotlib==3.1.1
 mistune==0.8.4
 nbconvert==5.6.1
 nbformat==5.0.5
-notebook==6.0.3
+notebook==6.4.12
 numpy==1.18.2
 oauthlib==3.1.0
 opt-einsum==3.2.0