diff --git a/setup.py b/setup.py
index a2201ac5b3b1..16a77c1fe313 100644
--- a/setup.py
+++ b/setup.py
@@ -255,6 +255,7 @@ def run(self):
     url="https://github.com/huggingface/diffusers",
     package_dir={"": "src"},
     packages=find_packages("src"),
+    package_data={"diffusers": ["py.typed"]},
     include_package_data=True,
     python_requires=">=3.8.0",
     install_requires=list(install_requires),
diff --git a/src/diffusers/py.typed b/src/diffusers/py.typed
new file mode 100644
index 000000000000..e69de29bb2d1