diff --git a/requirements.txt b/requirements.txt
index fb2f238..43f1ffb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ matplotlib==3.0.0
 mistune==0.8.4
 nbconvert==5.6.1
 nbformat==5.0.7
-notebook==6.1.5
+notebook==6.4.1
 numpy==1.19.2
 packaging==20.4
 pandas==1.0.5