diff --git a/setup.py b/setup.py
index 1d89dbcb..97675c82 100644
--- a/setup.py
+++ b/setup.py
@@ -72,12 +72,12 @@ def read_file(filename, alt=None):
     'License :: OSI Approved :: GNU Lesser General Public License v3 or later (LGPLv3+)',
     'Operating System :: OS Independent',
     'Programming Language :: Python :: 2',
-    'Programming Language :: Python :: 2.6',
     'Programming Language :: Python :: 2.7',
     'Programming Language :: Python :: 3',
-    'Programming Language :: Python :: 3.3',
     'Programming Language :: Python :: 3.4',
     'Programming Language :: Python :: 3.5',
+    'Programming Language :: Python :: 3.6',
+    'Programming Language :: Python :: 3.7',
     'Programming Language :: Python :: Implementation :: CPython',
     'Programming Language :: Python :: Implementation :: PyPy',
     'Programming Language :: Python',