diff --git a/setup.py b/setup.py
index 29ab496..a837735 100644
--- a/setup.py
+++ b/setup.py
@@ -9,4 +9,7 @@
       packages=['nx584'],
       install_requires=['requests', 'stevedore', 'prettytable', 'pyserial', 'flask'],
       scripts=['nx584_server', 'nx584_client'],
+      classifiers = [
+            "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
+      ]
   )