diff --git a/requirements.txt b/requirements.txt
index 994fe00..0457269 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ mistune==0.8.4
 nbconvert==5.5.0
 nbformat==4.4.0
 networkx==2.5
-notebook==6.0.0
+notebook==6.4.12
 numpy==1.16.4
 packaging==20.4
 pandas==0.25.0