diff --git a/packages/python/plotly/MANIFEST.in b/packages/python/plotly/MANIFEST.in
index f96b995600..7c8cf6be26 100644
--- a/packages/python/plotly/MANIFEST.in
+++ b/packages/python/plotly/MANIFEST.in
@@ -3,3 +3,4 @@ include README.md
 include jupyterlab-plotly.json
 include versioneer.py
 include plotly/_version.py
+include plotly/py.typed
diff --git a/packages/python/plotly/plotly/py.typed b/packages/python/plotly/plotly/py.typed
new file mode 100644
index 0000000000..b648ac9233
--- /dev/null
+++ b/packages/python/plotly/plotly/py.typed
@@ -0,0 +1 @@
+partial
diff --git a/packages/python/plotly/setup.py b/packages/python/plotly/setup.py
index a9a2ac5869..6a7325b8e7 100644
--- a/packages/python/plotly/setup.py
+++ b/packages/python/plotly/setup.py
@@ -542,6 +542,7 @@ def run(self):
     + validator_packages,
     package_data={
         "plotly": [
+            "py.typed",
             "package_data/*",
             "package_data/templates/*",
             "package_data/datasets/*",