diff --git a/py.typed b/cssselect/py.typed
similarity index 100%
rename from py.typed
rename to cssselect/py.typed
diff --git a/setup.py b/setup.py
index f34a1a7..48f3d40 100644
--- a/setup.py
+++ b/setup.py
@@ -27,6 +27,10 @@
     license="BSD",
     packages=["cssselect"],
     test_suite="cssselect.tests",
+    package_data={
+        "cssselect": ["py.typed"],
+    },
+    include_package_data=True,
     python_requires=">=3.7",
     classifiers=[
         "Development Status :: 4 - Beta",