diff -ruN a/setup.py b/setup.py
--- a/setup.py	2020-01-03 20:37:49.000000000 +0000
+++ b/setup.py	2020-09-13 17:38:30.016905954 +0000
@@ -16,6 +16,7 @@
     author_email="uiri@xqz.ca",
     url="https://github.com/uiri/toml",
     packages=['toml'],
+    package_data={'toml': ['*.pyi', '**/*.pyi']},
     license="MIT",
     long_description=readme_string,
     python_requires=">=2.6, !=3.0.*, !=3.1.*, !=3.2.*",