diff --git a/REQUIREMENTS.txt b/REQUIREMENTS.txt
index 2ed1e71..9741469 100644
--- a/REQUIREMENTS.txt
+++ b/REQUIREMENTS.txt
@@ -30,7 +30,7 @@ mistune==0.8.4
 nbconvert==5.6.1
 nbformat==5.0.6
 nltk==3.5
-notebook==6.0.3
+notebook==6.4.12
 numpy==1.18.5
 packaging==20.4
 pandas==1.0.4