diff --git a/setup.py b/setup.py
index 53b6c00..86f33ac 100644
--- a/setup.py
+++ b/setup.py
@@ -58,6 +58,8 @@
         "Operating System :: OS Independent",
         "Topic :: Software Development",
         "Programming Language :: Python :: 2.7",
-        "Programming Language :: Python :: 3.6"
+        "Programming Language :: Python :: 3.6",
+        "Topic :: System :: Networking :: Firewalls",
+        "Operating System :: POSIX :: Linux"
     ],
 )