diff --git a/setup.cfg b/setup.cfg
index 2d2b3272..32a9c3cc 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -42,3 +42,6 @@ python_requires = >=3.9
 [options.extras_require]
 testing = pytest
 
+[options.package_data]
+google_crc32c =
+    py.typed