1 files changed, 4 insertions, 1 deletions
diff --git a/setup.py b/setup.py
index 9b87c6b..5f2ff9a 100755
--- a/setup.py
+++ b/setup.py
@@ -61,11 +61,14 @@ setup(
         'Natural Language :: English',
         'License :: OSI Approved :: MIT License',
         'Programming Language :: Python',
+        'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.7',
-        'Programming Language :: Python :: 3.4',
+        'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
     ],
+    python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*',
     tests_require=['pytest'],
     install_requires=install,
     extras_require={