diff --git a/{{cookiecutter.package_name}}/docs/source/conf.py b/{{cookiecutter.package_name}}/docs/source/conf.py
index e4f4d28..c520493 100644
--- a/{{cookiecutter.package_name}}/docs/source/conf.py
+++ b/{{cookiecutter.package_name}}/docs/source/conf.py
@@ -41,7 +41,7 @@
     "sphinx.ext.autosummary",
     "sphinx.ext.viewcode",
     "sphinx.ext.intersphinx",
-    "sphinx-sitemap",
+    "sphinx_sitemap",
     "myst_parser",
     "nbsphinx",
 ]