diff --git a/ChangeLog b/ChangeLog
index d44a530..3ea73bd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,4 @@
-* 0.10
+* 1.0
   - Added systemwide install support. (issue #31)
   - Fixed issue #41 Handle venv binary with the symlink command.
   - Improved `venv` command (without virtualenvwrapper)
diff --git a/PKG-INFO b/PKG-INFO
index 3369289..81ebabb 100644
--- a/PKG-INFO
+++ b/PKG-INFO
@@ -173,8 +173,8 @@ See more details below
 Changelog
 =========
 
-0.10 (2011-08-08)
------------------
+1.0 (2011-08-08)
+----------------
 
 - Added systemwide install support. (issue #31)
 - Fixed issue #41 Handle venv binary with the symlink command.
diff --git a/pythonbrew/define.py b/pythonbrew/define.py
index a8ab362..4174c7b 100644
--- a/pythonbrew/define.py
+++ b/pythonbrew/define.py
@@ -6,7 +6,7 @@ except:
     import configparser as ConfigParser
 
 # pythonbrew version
-VERSION = "0.10"
+VERSION = "1.0"
 
 # pythonbrew installer root path
 INSTALLER_ROOT = os.path.dirname(os.path.abspath(__file__))
diff --git a/setup.py b/setup.py
index 41b91d3..08bed4c 100755
--- a/setup.py
+++ b/setup.py
@@ -17,6 +17,10 @@ setup(name='pythonbrew',
         'Programming Language :: Python :: 2.4',
         'Programming Language :: Python :: 2.5',
         'Programming Language :: Python :: 2.6',
+        'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.1',
+        'Programming Language :: Python :: 3.2',
       ],
       keywords='pythonbrew pip easy_install distutils setuptools virtualenv',
       author='utahta',
diff --git a/stable-version.txt b/stable-version.txt
index 688abaa..9f8e9b6 100644
--- a/stable-version.txt
+++ b/stable-version.txt
@@ -1 +1 @@
-0.10
\ No newline at end of file
+1.0
\ No newline at end of file