diff --git a/setup.py b/setup.py
index ee34bd6cf..d4fa6f723 100644
--- a/setup.py
+++ b/setup.py
@@ -67,7 +67,6 @@
             "Programming Language :: Python",
             "Programming Language :: Python :: 2.7",
             "Programming Language :: Python :: 3",
-            "Programming Language :: Python :: 3.3",
             "Programming Language :: Python :: 3.4",
             "Programming Language :: Python :: 3.5",
             "Topic :: Internet :: WWW/HTTP",