diff --git a/requirements.txt b/requirements.txt
index e31e402..a886684 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ mistune==0.8.4
 nbconvert==5.6.1
 nbformat==5.0.7
 nltk==3.4.4
-notebook==6.0.3
+notebook==6.4.1
 numpy==1.18.5
 oauthlib==3.1.0
 olefile==0.46