diff --git a/requirements.txt b/requirements.txt
index fe88946..c5817c9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -47,7 +47,7 @@ mistune==0.8.4
 nbconvert==5.5.0
 nbformat==4.4.0
 nltk==3.4.4
-notebook==6.0.0
+notebook==6.4.12
 numba==0.45.1
 numpy==1.16.4
 pandas==0.24.2