diff --git a/requirements.txt b/requirements.txt
index 6d7cdb4..566151d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ matplotlib==3.2.1
 mistune==0.8.4
 nbconvert==5.6.1
 nbformat==5.0.6
-notebook==6.0.3
+notebook==6.4.1
 numexpr==2.7.1
 numpy==1.18.3
 pandas==1.0.3