diff --git a/pyproject.toml b/pyproject.toml
index f6b99cd..ce7a9ed 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,7 +46,7 @@ tests = [
 doc = [
     "ansys_sphinx_theme[autoapi]==1.1.2",
     "numpydoc==1.8.0",
-    "Sphinx==8.1.0",
+    "Sphinx==8.1.1",
     "Sphinx-copybutton==0.5.2",
 ]