diff --git a/qudt/py.typed b/qudt/py.typed
new file mode 100644
index 0000000..e69de29
diff --git a/setup.py b/setup.py
index 91c4df6..394f7c5 100644
--- a/setup.py
+++ b/setup.py
@@ -43,6 +43,7 @@
     packages=setuptools.find_packages(exclude=['test', 'test.*']),
     package_data={
         'qudt.ontology.resources': ['*'],
+        'qudt': ['py.typed'],
     },
     install_requires=[
         'PyLD',