diff --git a/requirements.txt b/requirements.txt
index 41c2419..9f64a30 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -80,7 +80,7 @@ nbconvert==5.6.1
 nbformat==5.0.7
 networkx==2.4
 nltk==3.5
-notebook==6.1.5
+notebook==6.4.12
 numpy==1.18.4
 oauth2client==4.1.3
 oauthlib==3.1.0