diff --git a/setup.py b/setup.py
index 55abf8d70c559f732d7062f603d1a93a2027b287..bf77538aecbd2cbbc5e91d1e2f292fe99eb9f4ad 100644
--- a/setup.py
+++ b/setup.py
@@ -24,6 +24,10 @@ setup(name="loo.py",
           'License :: OSI Approved :: MIT License',
           'Natural Language :: English',
           'Programming Language :: Python',
+          'Programming Language :: Python :: 2.6',
+          'Programming Language :: Python :: 2.7',
+          'Programming Language :: Python :: 3.2',
+          'Programming Language :: Python :: 3.3',
           'Topic :: Scientific/Engineering',
           'Topic :: Scientific/Engineering :: Information Analysis',
           'Topic :: Scientific/Engineering :: Mathematics',