diff --git a/Archive-Cleres/requirements.txt b/Archive-Cleres/requirements.txt
index 1dc1b57..82137d6 100644
--- a/Archive-Cleres/requirements.txt
+++ b/Archive-Cleres/requirements.txt
@@ -113,7 +113,7 @@ networkx==2.1
 nltk==3.3
 node==0.9.22
 nose==1.3.7
-notebook==5.5.0
+notebook==6.4.12
 npm==0.1.1
 numba==0.38.0
 numexpr==2.6.5