diff --git a/requirements_docs.txt b/requirements_docs.txt
index 6779ae2c0..bf938abf2 100644
--- a/requirements_docs.txt
+++ b/requirements_docs.txt
@@ -19,7 +19,7 @@ pytest-sphinx==0.6.3
 pyvista-xarray==0.1.7
 pyvista[all]==0.44.1
 scipy==1.14.1
-Sphinx==8.0.2
+Sphinx==8.1.3
 sphinx-autobuild==2024.10.3
 sphinx-book-theme==1.1.3
 sphinx-copybutton==0.5.2