diff --git a/osrf_pycommon/py.typed b/osrf_pycommon/py.typed
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/osrf_pycommon/py.typed
@@ -0,0 +1 @@
+
diff --git a/setup.py b/setup.py
index 389a0a5..a5336c1 100644
--- a/setup.py
+++ b/setup.py
@@ -19,6 +19,7 @@
         ('share/ament_index/resource_index/packages',
             ['resource/' + package_name]),
     ],
+    package_data={'': ['py.typed']},
     install_requires=install_requires,
     extras_require={
         'test': [