diff --git a/pytato/py.typed b/pytato/py.typed
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/setup.py b/setup.py
index 93d5b88c9f1bdccb513e3336fbfe23d1b8aaef29..336157d5d52e29caf01c62bea3399c2a86cbf35e 100644
--- a/setup.py
+++ b/setup.py
@@ -38,6 +38,7 @@ setup(
         "pytools>=2021.1",
         "pyrsistent"
         ],
+    package_data={"pytato": ["py.typed"]},
     author="Andreas Kloeckner, Matt Wala, Xiaoyu Wei",
     url="https://github.com/inducer/pytato",
     author_email="inform@tiker.net",