diff --git a/setup.py b/setup.py
index 73d08ac..576c34d 100644
--- a/setup.py
+++ b/setup.py
@@ -30,6 +30,7 @@ setup(
                  "Operating System :: POSIX :: Linux",
                  "Operating System :: POSIX :: BSD :: FreeBSD",
                  "Operating System :: POSIX :: BSD :: OpenBSD",
+                 "Operating System :: POSIX :: BSD :: NetBSD",
                  "Programming Language :: Python",
                  "Programming Language :: Python :: 2.6",
                  "Programming Language :: Python :: 2.7",