diff --git a/CHANGES.txt b/CHANGES.txt
index 53d42326..32aa773b 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,7 +1,7 @@
 Changelog
 =========
 
-2.13.28 (unreleased)
+2.13.28 (2017-10-10)
 --------------------
 
 - Fix a bug in the BooleanIndex where documents without an entry in
diff --git a/setup.py b/setup.py
index a0bd204e..3b7aa5ec 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,7 @@
 from setuptools import setup, find_packages
 
 setup(name='Products.ZCatalog',
-      version = '2.13.28dev',
+      version='2.13.28',
       url='http://pypi.python.org/pypi/Products.ZCatalog',
       license='ZPL 2.1',
       description="Zope 2's indexing and search solution.",