diff --git a/setup.cfg b/setup.cfg
index 65bc8dfe..d581c445 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -44,3 +44,6 @@ python_requires = >=3.7
 [options.extras_require]
 testing = pytest
 
+[options.package_data]
+google_crc32c =
+    py.typed