diff --git a/.travis.yml b/.travis.yml
index 399cfa3d..f5fa3911 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,11 +1,10 @@
 language: python
 python:
     - "nightly"
+    - 3.6
     - 3.5
     - 3.4
     - 2.7
-    - 3.3
-    - 3.6-dev
 sudo: false
 install:
     - pip install --upgrade pip && pip install .
diff --git a/setup.py b/setup.py
index d7eed16d..49b72c4d 100644
--- a/setup.py
+++ b/setup.py
@@ -16,8 +16,8 @@
 import sys
 
 v = sys.version_info
-if v[:2] < (2,7) or (v[0] >= 3 and v[:2] < (3,3)):
-    error = "ERROR: %s requires Python version 2.7 or 3.3 or above." % name
+if v[:2] < (2,7) or (v[0] >= 3 and v[:2] < (3,4)):
+    error = "ERROR: %s requires Python version 2.7 or 3.4 or above." % name
     print(error, file=sys.stderr)
     sys.exit(1)
 
@@ -59,6 +59,7 @@
     license         = 'BSD',
     platforms       = "Linux, Mac OS X, Windows",
     keywords        = ['Interactive', 'Interpreter', 'Shell', 'Web'],
+    python_requires = '>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*',
     classifiers     = [
         'Intended Audience :: Developers',
         'Intended Audience :: System Administrators',
@@ -67,9 +68,9 @@
         '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',
+        'Programming Language :: Python :: 3.6',
     ],
 )
 
@@ -87,10 +88,9 @@
 extras_require = setuptools_args['extras_require'] = {
     'test': ['pytest'],
     'test:python_version=="2.7"': ["mock"],
-    # -- SUPPORT UNIFORM-WHEELS: Extra packages for Python 2.7, 3.3
+    # -- SUPPORT UNIFORM-WHEELS: Extra packages for Python 2.7
     # SEE: https://bitbucket.org/pypa/wheel/ , CHANGES.txt (v0.24.0)
     ':python_version=="2.7"': ["enum34"],
-    ':python_version=="3.3"': ["enum34"],
 }
 
 if 'setuptools' in sys.modules: