diff --git a/requirements/requirements_docs.txt b/requirements/requirements_docs.txt
index a7f6d2d7..7d401a5a 100644
--- a/requirements/requirements_docs.txt
+++ b/requirements/requirements_docs.txt
@@ -1,4 +1,4 @@
-Sphinx==8.2.3
+Sphinx==9.0.1
 jupyter_sphinx==0.5.3
 numpydoc==1.9.0
 ansys_sphinx_theme==1.6.3