diff --git a/requirements.txt b/requirements.txt
index 0aa71aa..75811d1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -223,7 +223,7 @@ nbformat==4.4.0
 networkx==1.8.1
 nltk==3.4.5
 nose==1.3.7
-notebook==6.4.1
+notebook==6.4.12
 numba==0.44.1
 numexpr==2.6.9
 numpy==1.16.2