diff --git a/setup.py b/setup.py
index <HASH>..<HASH> 100755
--- a/setup.py
+++ b/setup.py
@@ -65,6 +65,7 @@ setuptools.setup(
         "License :: OSI Approved :: GNU General Public License (GPL)",
         "Operating System :: OS Independent",
         "Programming Language :: Python",
+        "Programming Language :: Python :: 3",
         "Topic :: Games/Entertainment :: Board Games",
         "Topic :: Software Development :: Libraries :: Python Modules",
     ],
setup.py: Explicitly support Python 3