diff --git a/setup.py b/setup.py
index c182761..111fe9d 100644
--- a/setup.py
+++ b/setup.py
@@ -71,8 +71,7 @@ setup(
         'License :: OSI Approved :: MIT License',
         'Operating System :: MacOS',
         'Operating System :: Microsoft :: Windows',
-        'Operating System :: POSIX',
-        'Operating System :: Unix',
+        'Operating System :: POSIX :: Linux',
         'Programming Language :: C++',
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
@@ -84,5 +83,10 @@ setup(
         'Programming Language :: Python :: Implementation :: CPython',
         'Topic :: Software Development',
         'Topic :: Software Development :: Libraries',
+        'Topic :: Multimedia',
+        'Topic :: Multimedia :: Graphics',
+        'Topic :: Multimedia :: Sound/Audio',
+        'Topic :: Multimedia :: Video',
+        'Topic :: System :: Networking',
     ],
 )