diff --git a/requirements.txt b/requirements.txt
index 4d63a57..fe47f70 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -46,7 +46,7 @@ mistune==0.8.4
 mpld3==0.3
 nbconvert==5.6.1
 nbformat==5.0.5
-notebook==6.0.3
+notebook==6.4.12
 numpy==1.18.2
 opt-einsum==3.2.0
 pandas==1.0.3