diff --git a/coremltools/py.typed b/coremltools/py.typed
new file mode 100644
index 000000000..8b1378917
--- /dev/null
+++ b/coremltools/py.typed
@@ -0,0 +1 @@
+
diff --git a/setup.py b/setup.py
index d61076b7d..48f0f7bda 100755
--- a/setup.py
+++ b/setup.py
@@ -66,7 +66,8 @@
     url="https://github.com/apple/coremltools",
     packages=find_packages(),
     package_data={
-        "": ["LICENSE.txt", "README.md", "libcaffeconverter.so", "libcoremlpython.so"]
+        "": ["LICENSE.txt", "README.md", "libcaffeconverter.so", "libcoremlpython.so"],
+        "coremltools": ["py.typed"]
     },
     install_requires=[
         "numpy >= 1.14.5, < 1.20",