diff --git a/setup.py b/setup.py
index 0bc62a7..f8a5e05 100644
--- a/setup.py
+++ b/setup.py
@@ -23,6 +23,7 @@ setup(name='collective.dms.thesaurus',
         "Environment :: Web Environment",
         "Framework :: Plone",
         "Framework :: Plone :: 4.2",
+        "Framework :: Plone :: 4.3",
         "Operating System :: OS Independent",
         "Programming Language :: Python",
         "Programming Language :: Python :: 2",