diff --git a/CHANGES.rst b/CHANGES.rst
index 820a9ca..95e2b7e 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,7 +2,7 @@
 CHANGES
 =======
 
-4.0.0 (unreleased)
+4.0.0 (2014-12-24)
 ------------------
 
 - Added support for PyPy.  (PyPy3 is pending release of a fix for:
diff --git a/setup.py b/setup.py
index 8b4c2e9..9bec070 100644
--- a/setup.py
+++ b/setup.py
@@ -40,7 +40,7 @@ def alltests():
 
 setup(
     name='zope.applicationcontrol',
-    version='4.0.0.dev0',
+    version='4.0.0',
     author='Zope Foundation and Contributors',
     author_email='zope-dev@zope.org',
     description='Zope applicationcontrol',