diff --git a/pyproject.toml b/pyproject.toml
index b516d87..bd4dfb1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ docs = [
     "pydata-sphinx-theme==0.15.4",
     "sphinx==7.3.7",
     "sphinx_copybutton==0.5.2",
-    "sphinx-notfound-page==1.0.2",
+    "sphinx-notfound-page==1.0.4",
 ]
 
 [project.entry-points."pytest11"]