diff --git a/setup.py b/setup.py
index 26bcd74e..a7daca1a 100644
--- a/setup.py
+++ b/setup.py
@@ -43,4 +43,11 @@ def run(self):
     package_data={'mujoco_py': ['generated/*.so']},
     install_requires=read_requirements_file('requirements.txt'),
     tests_require=read_requirements_file('requirements.dev.txt'),
+    python_requires='>=3.5',
+    classifiers=[
+        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3 :: Only',
+    ],
 )