diff --git a/requirements.txt b/requirements.txt
index 3965520..fa6401a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ natsort==5.3.3
 nbconvert==5.3.1
 nbformat==4.4.0
 Nikola==7.8.15
-notebook==5.7.8
+notebook==6.4.12
 pandocfilters==1.4.2
 parso==0.3.1
 pathtools==0.1.2