diff --git a/docs/notebook-requirements.txt b/docs/notebook-requirements.txt
index 62369963e..dcc80aadc 100644
--- a/docs/notebook-requirements.txt
+++ b/docs/notebook-requirements.txt
@@ -8,5 +8,5 @@ nbsphinx>=0.8.6,<0.8.7
 Jinja2<3.1
 
 # Dependencies
-matplotlib<3.8
+matplotlib<3.9
 pytest