diff --git a/jieba/__init__.py b/jieba/__init__.py
index 0ee4320..9b696b4 100644
--- a/jieba/__init__.py
+++ b/jieba/__init__.py
@@ -1,4 +1,7 @@
 from __future__ import with_statement
+__version__ = '0.31'
+__license__ = 'MIT'
+
 import re
 import os
 import sys
diff --git a/setup.py b/setup.py
index 9e11bb8..b719aaa 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 from distutils.core import setup  
 setup(name='jieba',  
-      version='0.31.alpha',  
+      version='0.31',  
       description='Chinese Words Segementation Utilities',  
       author='Sun, Junyi',  
       author_email='ccnusjy@gmail.com',