diff --git a/requirements.txt b/requirements.txt
index e3271ef..473721d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -54,7 +54,7 @@ mistune==0.8.4
 more-itertools==8.0.2
 nbconvert==5.6.1
 nbformat==4.4.0
-notebook==6.0.2
+notebook==6.4.12
 numpy==1.18.0
 oauthlib==3.1.0
 opt-einsum==3.1.0