Update setup.py

src/package/pywinrt/projection/setup.py

@@ -66,6 +66,8 @@ setuptools.setup(
             'License :: OSI Approved :: MIT License',
             'Operating System :: Microsoft :: Windows :: Windows 10',
             'Programming Language :: Python :: 3.7',
+            'Programming Language :: Python :: 3.8',
+            'Programming Language :: Python :: 3.9',
             'Programming Language :: Python :: Implementation :: CPython',
             'Topic :: System :: Operating System',
         ],