diff --git a/requirements/requirements_doc.txt b/requirements/requirements_doc.txt
index c36b2d44..866f5e30 100644
--- a/requirements/requirements_doc.txt
+++ b/requirements/requirements_doc.txt
@@ -13,7 +13,7 @@ plotly==5.14.1
 pypandoc==1.11
 pythreejs==2.4.2
 pyvista==0.38.5
-Sphinx==5.3.0
+Sphinx==6.2.1
 sphinx-copybutton==0.5.1
 sphinx-gallery==0.12.2
 sphinx-autobuild==2021.3.14