diff --git a/setup.py b/setup.py
index 1551b2dd6..7cd2ed605 100644
--- a/setup.py
+++ b/setup.py
@@ -30,4 +30,5 @@
 setup(
     install_requires=install_req,
     extras_require=dependencies,
+    package_data={"pymodbus": ["py.typed"]},
 )