diff --git a/CHANGES.rst b/CHANGES.rst
index bc39d79..089461e 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,17 @@
 ThriftPy Changelog
 ==================
 
+Version 0.1.9
+-------------
+
+Released on September 1, 2014.
+
+- refine cython binary protocol, add cython buffered transport, via `#32`_.
+- param name change, rename transport_factory to trans_factory in rpc.
+
+.. _`#32`: https://github.com/eleme/thriftpy/pull/32
+
+
 Version 0.1.8
 -------------
 
diff --git a/thriftpy/__init__.py b/thriftpy/__init__.py
index 63e954b..c2b34be 100644
--- a/thriftpy/__init__.py
+++ b/thriftpy/__init__.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-__version__ = '0.1.8'
+__version__ = '0.1.9'
 
 import sys
 __python__ = sys.version_info