diff --git a/setup.py b/setup.py
index 384da8b..bd92196 100755
--- a/setup.py
+++ b/setup.py
@@ -96,7 +96,6 @@ setup(
         'Programming Language :: Python :: 2',
         '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',