diff --git a/photon-lib/py/photonlibpy/py.typed b/photon-lib/py/photonlibpy/py.typed
new file mode 100644
index 000000000..8b1378917
--- /dev/null
+++ b/photon-lib/py/photonlibpy/py.typed
@@ -0,0 +1 @@
+
diff --git a/photon-lib/py/setup.py b/photon-lib/py/setup.py
index 21c7cf784..b72d1932c 100644
--- a/photon-lib/py/setup.py
+++ b/photon-lib/py/setup.py
@@ -55,6 +55,7 @@ descriptionStr = f"Pure-python implementation of PhotonLib for interfacing with
 setup(
     name="photonlibpy",
     packages=find_packages(),
+    package_data={"photonlibpy": ["py.typed"]},
     version=versionString,
     install_requires=[
         "numpy~=2.1",