diff --git a/requirements/requirements_docs.txt b/requirements/requirements_docs.txt
index be15cfb31b6..925df42024b 100644
--- a/requirements/requirements_docs.txt
+++ b/requirements/requirements_docs.txt
@@ -8,7 +8,7 @@ nbsphinx==0.9.5
 pypandoc==1.15
 pytest-sphinx==0.6.3
 pyvista==0.46.4
-sphinx==8.2.3
+sphinx==9.0.4
 sphinx-copybutton==0.5.2
 sphinx-gallery==0.20.0
 sphinx-jinja==2.0.2