diff --git a/setup.py b/setup.py
index df4e108..36496d5 100644
--- a/setup.py
+++ b/setup.py
@@ -54,7 +54,6 @@ def get_long_description():
         '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',