diff --git a/requirements.txt b/requirements.txt
index 1464ce8..69d5c45 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -114,7 +114,7 @@ nbformat==5.0.4
 networkx==2.4
 nltk==3.4.5
 nose==1.3.7
-notebook==6.0.3
+notebook==6.4.1
 numba==0.48.0
 numexpr==2.7.1
 numpy==1.18.1