diff --git a/setup.py b/setup.py
index 724e09a..772b7bf 100755
--- a/setup.py
+++ b/setup.py
@@ -42,6 +42,7 @@ def parse_requirements(filename):
 
     package_dir={'': 'src'},
     packages=['ninja'],
+    package_data={"ninja": ["py.typed"]},
 
     entry_points={
         'console_scripts': [