diff --git a/HISTORY.rst b/HISTORY.rst
index 2356b00..533aa3e 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -1,6 +1,10 @@
 History
 -------
 
+0.5.1
++++++
+* Fix line width calculation in max_width when using coloured text (thanks to @wkentaro) 
+
 0.5.0
 +++++
 * Added option prompt
diff --git a/clint/__init__.py b/clint/__init__.py
index 3c58e79..a8d5a62 100644
--- a/clint/__init__.py
+++ b/clint/__init__.py
@@ -26,8 +26,8 @@ from .pipes import piped_in
 
 
 __title__ = 'clint'
-__version__ = '0.5.0'
-__build__ = 0x000500
+__version__ = '0.5.1'
+__build__ = 0x000501
 __author__ = 'Kenneth Reitz'
 __license__ = 'ISC'
 __copyright__ = 'Copyright 2012 Kenneth Reitz'