diff --git a/bitarray/py.typed b/bitarray/py.typed
new file mode 100644
index 00000000..e69de29b
diff --git a/setup.py b/setup.py
index b4e77c90..a26d9c37 100644
--- a/setup.py
+++ b/setup.py
@@ -39,7 +39,7 @@
     ],
     description = "efficient arrays of booleans -- C extension",
     packages = ["bitarray"],
-    package_data = {"bitarray": ["*.h", "*.pickle"]},
+    package_data = {"bitarray": ["*.h", "*.pickle", "py.typed", "*.pyi"]},
     ext_modules = [Extension(name = "bitarray._bitarray",
                              sources = ["bitarray/_bitarray.c"]),
                    Extension(name = "bitarray._util",