diff --git a/CHANGES.rst b/CHANGES.rst
index e82a00d..3ac440b 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -3,7 +3,7 @@ Changelog
 
 There's a frood who really knows where his towel is.
 
-1.0 (unreleased)
--------------------
+1.0a1 (2014-10-20)
+------------------
 
 - Initial release.
diff --git a/setup.py b/setup.py
index f09272c..21b8c95 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 from setuptools import find_packages
 from setuptools import setup
 
-version = '1.0'
+version = '1.0a1'
 description = 'Integration of Cycle2 jQuery plugin in Plone.'
 long_description = (
     open('README.rst').read() + '\n' +