diff --git a/requirements.txt b/requirements.txt
index 4165c78..9535e2a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ mock==3.0.5
 nbconvert==5.6.0
 nbformat==4.4.0
 nose==1.3.7
-notebook==6.0.1
+notebook==6.4.1
 numpy==1.17.0
 openpyxl==2.5.0
 pandas==0.22.0