diff --git a/requirements.txt b/requirements.txt
index 9d1080d6..82945d7c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,5 +4,5 @@ Markdown==3.3.4
 git+git://github.com/lextoumbourou/pelican-frontmark.git
 git+git://github.com/lextoumbourou/pelican-jupyter.git
 nbconvert==5.6.0
-notebook==5.6.0
+notebook==6.4.1
 pelican-katex==1.6.1