diff --git a/doc/conf.py b/doc/conf.py
index <HASH>..<HASH> 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -61,9 +61,9 @@ copyright = u'2015, Jeong-Yoon Lee'
 # built documents.
 #
 # The short X.Y version.
-version = '0.4'
+version = '0.5'
 # The full version, including alpha/beta/rc tags.
-release = '0.4.4'
+release = '0.5.0'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/kaggler/__init__.py b/kaggler/__init__.py
index <HASH>..<HASH> 100644
--- a/kaggler/__init__.py
+++ b/kaggler/__init__.py
@@ -1,4 +1,4 @@
-__version__ = '0.4.4'
+__version__ = '0.5.0'
 __all__ = ['const',
            'data_io',
            'feature_selection',
diff --git a/setup.py b/setup.py
index <HASH>..<HASH> 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@ except ImportError:
 
 setup(
     name='Kaggler',
-    version='0.4.4',
+    version='0.5.0',
 
     author='Jeong-Yoon Lee',
     author_email='jeongyoon.lee1@gmail.com',
update version number to <I>