diff -r 3c91366ccf50 -r 9d5bb9a158b5 virtualenv/res/lib/lib_create_env.py
--- a/virtualenv/res/lib/lib_create_env.py	Mon Mar 09 02:36:27 2015 +0100
+++ b/virtualenv/res/lib/lib_create_env.py	Mon Mar 09 02:40:36 2015 +0100
@@ -37,7 +37,7 @@
     'PYPARSING' : { 'setup': 'pyparsing', 'url': 'https://pypi.python.org/packages/source/p/pyparsing/pyparsing-2.0.3.tar.gz', 'local' : 'pyparsing-2.0.3.tar.gz', 'install': {'method': 'pip', 'option_str': None, 'dict_extra_env': None}},
     'PIL' : { 'setup': 'pil', 'url': 'http://effbot.org/downloads/Imaging-1.1.7.tar.gz', 'local' : 'Imaging-1.1.7.tar.gz', 'install': {'method': 'pip', 'option_str': None, 'dict_extra_env': None}},
     'EASYTHUMBNAIL' : { 'setup': 'easy-thumbnail', 'url': 'https://github.com/SmileyChris/easy-thumbnails/archive/2.2.tar.gz', 'local' : 'easy-thumbnails-2.2.tar.gz', 'install': {'method': 'pip', 'option_str': None, 'dict_extra_env': None}},
-    'SIX' : { 'setup': 'six', 'url': 'https://pypi.python.org/packages/source/s/six/six-1.8.0.tar.gz', 'local' : 'six-1.8.0.tar.gz', 'install': {'method': 'pip', 'option_str': None, 'dict_extra_env': None}},
+    'SIX' : { 'setup': 'six', 'url': 'https://pypi.python.org/packages/source/s/six/six-1.9.0.tar.gz', 'local' : 'six-1.9.0.tar.gz', 'install': {'method': 'pip', 'option_str': None, 'dict_extra_env': None}},
     'SIMPLEJSON' : { 'setup': 'simplejson', 'url': 'https://github.com/simplejson/simplejson/archive/v3.6.5.tar.gz', 'local' : 'simplejson-3.6.5.tar.gz', 'install': {'method': 'pip', 'option_str': None, 'dict_extra_env': None}},
     'HTML5LIB' : { 'setup': 'html5lib', 'url': 'https://github.com/html5lib/html5lib-python/archive/0.999.tar.gz', 'local' : 'html5lib-0.999.tar.gz', 'install': {'method': 'pip', 'option_str': None, 'dict_extra_env': None}},
     'URLLIB3': { 'setup': 'urllib3', 'url':'https://github.com/shazow/urllib3/archive/1.9.1.tar.gz', 'local':"urllib3-1.9.1.tar.gz", 'install': {'method': 'pip', 'option_str': None, 'dict_extra_env': None}},