diff --git a/_package/pyproject.toml b/_package/pyproject.toml
index 0f60f8578..efed6cb8c 100644
--- a/_package/pyproject.toml
+++ b/_package/pyproject.toml
@@ -49,7 +49,7 @@ doc = [
     "sphinx-autobuild==2024.10.3",
     "sphinx-autodoc-typehints==2.5.0",
     "sphinx-copybutton==0.5.2",
-    "sphinx-notfound-page==1.0.4",
+    "sphinx-notfound-page==1.1.0",
     "sphinx-gallery==0.18.0",
 ]
 [tool.flit.module]