diff --git a/setup.py b/setup.py
index e4d25e87fe..e10cbc22e9 100644
--- a/setup.py
+++ b/setup.py
@@ -42,8 +42,14 @@ setup(name='trytond_stock_supply_forecast',
         'Intended Audience :: Legal Industry',
         'Intended Audience :: Manufacturing',
         'License :: OSI Approved :: GNU General Public License (GPL)',
+        'Natural Language :: Bulgarian',
+        'Natural Language :: Czech',
+        'Natural Language :: Dutch',
         'Natural Language :: English',
         'Natural Language :: French',
+        'Natural Language :: German',
+        'Natural Language :: Russian',
+        'Natural Language :: Spanish',
         'Operating System :: OS Independent',
         'Programming Language :: Python :: 2.6',
         'Programming Language :: Python :: 2.7',