diff --git a/requirements/requirements_doc.txt b/requirements/requirements_doc.txt
index 04073c06..b1d69933 100644
--- a/requirements/requirements_doc.txt
+++ b/requirements/requirements_doc.txt
@@ -1,4 +1,4 @@
-Sphinx==5.1.0
+Sphinx==5.2.3
 jupyter_sphinx==0.4.0
 numpydoc==1.4.0
 ansys-sphinx-theme==0.5.1