diff --git a/setup.py b/setup.py
index <HASH>..<HASH> 100644
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,13 @@ setup(
     zip_safe=False,
     classifiers=['Development Status :: 3 - Alpha',
                  'License :: OSI Approved :: MIT License',
+                 'Operating System :: OS Independent',
                  'Programming Language :: Python',
+                 'Programming Language :: Python :: 3',
+                 'Programming Language :: Python :: 3 :: Only',
+                 'Programming Language :: Python :: 3.7',
+                 'Programming Language :: Python :: 3.8',
+                 'Programming Language :: Python :: 3.9',
                  'Topic :: Scientific/Engineering',
                  'Topic :: Scientific/Engineering :: Physics'],
     packages=['porespy',
Added OS and Python version description to setup.py