diff --git a/requirements.txt b/requirements.txt
index 801c4b8d..9853f9a7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,5 +5,5 @@ Markdown==3.3.4
 git+https://github.com/lextoumbourou/pelican-frontmark.git
 git+https://github.com/lextoumbourou/pelican-jupyter.git
 nbconvert==7.2.5
-notebook==5.6.0
+notebook==6.4.12
 pelican-katex==1.6.1