diff --git a/requirements/requirements_doc.txt b/requirements/requirements_doc.txt
index 5bdf75924..f02926c06 100644
--- a/requirements/requirements_doc.txt
+++ b/requirements/requirements_doc.txt
@@ -1,4 +1,4 @@
-Sphinx==5.0.2
+Sphinx==5.1.0
 numpydoc==1.4.0
 ansys-sphinx-theme==0.4.2
 sphinx-copybutton==0.5