diff --git a/pyproject.toml b/pyproject.toml
index 111bf91..0b0f656 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -45,7 +45,7 @@ build-backend = "setuptools.build_meta"
 where = ["src"]
 
 [tool.setuptools.package-data]
-pyladoc = ["templates/*"]
+pyladoc = ["templates/*", "py.typed"]
 
 [tool.mypy]
 files = ["src"]
diff --git a/src/pyladoc/py.typed b/src/pyladoc/py.typed
new file mode 100644
index 0000000..e69de29