diff --git a/CHANGES.txt b/CHANGES.txt
index 2942047..d2fb425 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,7 +1,7 @@
 Changelog
 =========
 
-2.13.13 (unreleased)
+2.13.13 (2013-07-16)
 --------------------
 
 - LP #1159923:  ensure initialization of shared ``ImplPython`` state
diff --git a/setup.py b/setup.py
index 7066816..2c522f4 100644
--- a/setup.py
+++ b/setup.py
@@ -16,7 +16,7 @@
 from setuptools import setup, find_packages, Extension
 
 setup(name='AccessControl',
-      version = '2.13.13dev',
+      version = '2.13.13',
       url='http://pypi.python.org/pypi/AccessControl',
       license='ZPL 2.1',
       description="Security framework for Zope2.",