diff --git a/requirements.txt b/requirements.txt
index ef8b002..ac5febb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ matplotlib==3.0.3
 mistune==0.8.4
 nbconvert==5.4.1
 nbformat==4.4.0
-notebook==5.7.8
+notebook==6.4.12
 numpy==1.16.2
 pandas==0.24.2
 pandocfilters==1.4.2