diff --git a/setup.py b/setup.py
index af21f3938..cec86eed9 100644
--- a/setup.py
+++ b/setup.py
@@ -225,7 +225,13 @@ setup(
         'Operating System :: OS Independent',
         'Programming Language :: Python',
         'Programming Language :: Python :: 2',
+        'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.4',
+        'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: Implementation :: CPython',
+        'Programming Language :: Python :: Implementation :: PyPy',
         'Framework :: Sphinx',
         'Framework :: Sphinx :: Extension',
         'Framework :: Sphinx :: Theme',