diff --git a/setup.py b/setup.py
index f8af64a..a8ef1d7 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
-import os.path
 import sys
 import re
+import os.path
 import zipfile
 
 from setuptools import setup
@@ -23,21 +23,28 @@
 with open(os.path.join('scienceworld', 'version.py'), 'w') as f:
     f.write(f'__version__ = {VERSION!r}\n')
 
-setup(name='scienceworld',
-      version=VERSION,
-      description='ScienceWorld: An interactive text environment to study AI' +
-                  'agents on accomplishing tasks from the standardized elementary science curriculum.',
-      author='Peter Jansen',
-      packages=['scienceworld'],
-      include_package_data=True,
-      package_dir={'scienceworld': 'scienceworld'},
-      package_data={'scienceworld': [JAR_FILE, OBJECTS_LUT_FILE, TASKS_JSON_FILE]},
-      url="https://scienceworld.github.io",
-      long_description=open("README.md").read(),
-      long_description_content_type="text/markdown",
-      python_requires='>=3.7',
-      install_requires=open('requirements.txt').readlines(),
-      extras_require={
-          'webserver': open('requirements.txt').readlines() + ['pywebio'],
-          'testing': open(f'{BASEPATH}/requirements-dev.txt').readlines(),
-      })
+setup(
+    name='scienceworld',
+    version=VERSION,
+    description='ScienceWorld: An interactive text environment to study AI' +
+                'agents on accomplishing tasks from the standardized elementary science curriculum.',
+    author='Peter Jansen',
+    packages=['scienceworld'],
+    include_package_data=True,
+    package_dir={'scienceworld': 'scienceworld'},
+    package_data={'scienceworld': [JAR_FILE, OBJECTS_LUT_FILE, TASKS_JSON_FILE]},
+    url="https://scienceworld.github.io",
+    long_description=open("README.md").read(),
+    long_description_content_type="text/markdown",
+    python_requires='>=3.7',
+    install_requires=open('requirements.txt').readlines(),
+    extras_require={
+        'webserver': open('requirements.txt').readlines() + ['pywebio'],
+    },
+    classifiers=[
+        "Programming Language :: Python :: 3",
+        "License :: OSI Approved :: Apache Software License",
+        "Operating System :: POSIX :: Linux",
+        "Operating System :: MacOS :: MacOS X",
+    ]
+)