diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
index 131f3af57..d9a3e4568 100644
--- a/python/CMakeLists.txt
+++ b/python/CMakeLists.txt
@@ -62,6 +62,7 @@ set(py_dist_files
     docs/index.rst
     docs/overview.rst
     docs/tutorial.rst
+    proton/py.typed
     )
 
 # Sphinx documentation
diff --git a/python/proton/py.typed b/python/proton/py.typed
new file mode 100644
index 000000000..e69de29bb
diff --git a/python/pyproject.toml b/python/pyproject.toml
index 88e2e3ea2..92b02326f 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -57,3 +57,6 @@ py-modules = ["cproton"]
 
 [tool.setuptools.dynamic]
 version = {file = "VERSION.txt"}
+
+[tool.setuptools.package-data]
+"proton" = ["py.typed"]