diff --git a/retrievers/DANCE/requirements.txt b/retrievers/DANCE/requirements.txt
index 1b733d6..710c741 100644
--- a/retrievers/DANCE/requirements.txt
+++ b/retrievers/DANCE/requirements.txt
@@ -45,7 +45,7 @@ MarkupSafe==1.1.1
 mistune==0.8.4
 nbconvert==5.6.1
 nbformat==5.0.7
-notebook==6.1.3
+notebook==6.4.10
 numpy==1.19.0
 oauthlib==3.1.0
 packaging==20.4