diff --git a/requirements.txt b/requirements.txt
index 0dd1024..20f2eb7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ more-itertools==8.0.2
 nbconvert==5.6.1
 nbformat==5.0.3
 nltk==3.4.5
-notebook==6.0.2
+notebook==6.4.12
 numpy==1.18.0
 oauthlib==3.1.0
 pandas==0.25.3