Index: pyyaml/trunk/setup.py
===================================================================
--- pyyaml/trunk/setup.py	(revision 301)
+++ pyyaml/trunk/setup.py	(revision 305)
@@ -27,4 +27,8 @@
     "Operating System :: OS Independent",
     "Programming Language :: Python",
+    "Programming Language :: Python :: 2.3",
+    "Programming Language :: Python :: 2.4",
+    "Programming Language :: Python :: 2.5",
+    "Programming Language :: Python :: 2.6",
     "Topic :: Software Development :: Libraries :: Python Modules",
     "Topic :: Text Processing :: Markup",