diff --git a/setup.cfg b/setup.cfg
index 5d66c63..613f8e5 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -17,7 +17,7 @@ classifier =
     Programming Language :: Python :: 2.7
     Programming Language :: Python :: 2.6
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.3
+    Programming Language :: Python :: 3.4
 
 [files]
 packages =
diff --git a/tox.ini b/tox.ini
index 78e6203..48cc4f4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -19,10 +19,6 @@ commands =
     lockutils-wrapper python setup.py testr --slowest --testr-args='{posargs}'
     env TEST_EVENTLET=1 lockutils-wrapper python setup.py testr --slowest --testr-args='{posargs}'
 
-[testenv:py33]
-commands =
-    lockutils-wrapper python setup.py testr --slowest --testr-args='{posargs}'
-
 [testenv:py34]
 commands =
     lockutils-wrapper python setup.py testr --slowest --testr-args='{posargs}'