diff --git a/pyproject.toml b/pyproject.toml
index 7f319f5..45aa9af 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,6 +41,10 @@ dev = [
 requires = ["setuptools >= 61.0.0"]
 build-backend = "setuptools.build_meta"
 
+[tool.setuptools.package-data]
+"*" = ["py.typed"]
+
+
 [tool.black]
 line-length = 100
 
diff --git a/src/yosys_mau/py.typed b/src/yosys_mau/py.typed
new file mode 100644
index 0000000..e69de29