diff --git a/setup.py b/setup.py
index e9b3df6..a64aa41 100644
--- a/setup.py
+++ b/setup.py
@@ -44,13 +44,18 @@ setup(
         'Operating System :: MacOS :: MacOS X',
         'Operating System :: Microsoft :: Windows',
         'Operating System :: POSIX',
-        'Programming Language :: Python :: 3'],
+        "Programming Language :: Python :: 3 :: Only",
+        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
+        ],
     install_requires=install_reqs,
     extras_require=extras_require,
     tests_require=test_reqs,
     setup_requires=['pytest-runner', ],
     pytest_plugins = ['pytest_profiling'],
     include_package_data=True,
+    python_requires=">=3.8",
     entry_points={
         'console_scripts':
         ['soil = soil.__main__:main',