diff --git a/MANIFEST.in b/MANIFEST.in
index bde160ced..43a101de5 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,5 +1,6 @@
 include *.md
 include *.txt
+include jupyter_client/py.typed
 
 # Documentation
 graft docs
diff --git a/jupyter_client/py.typed b/jupyter_client/py.typed
new file mode 100644
index 000000000..e69de29bb
diff --git a/setup.py b/setup.py
index b14bf9a8c..7fe510b85 100644
--- a/setup.py
+++ b/setup.py
@@ -23,6 +23,7 @@
 setup(
     name='jupyter_client',
     packages=find_packages(exclude=["docs", "docs.*", "tests", "tests.*"]),
+    include_package_data=True,
     description='Jupyter protocol implementation and client libraries',
     long_description=long_description,
     long_description_content_type='text/markdown',