diff --git a/setup.py b/setup.py
index 8693e0cbcc..874accaedf 100644
--- a/setup.py
+++ b/setup.py
@@ -89,6 +89,7 @@ setup(name=name,
         'Natural Language :: German',
         'Natural Language :: Hungarian',
         'Natural Language :: Italian',
+        'Natural Language :: Polish',
         'Natural Language :: Portuguese (Brazilian)',
         'Natural Language :: Russian',
         'Natural Language :: Slovenian',