diff --git a/CHANGES.rst b/CHANGES.rst
index a8d1488..8ac7e2b 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,8 +1,8 @@
 Changelog
 =========
 
-3.12 (unreleased)
--------------------
+3.12 (2017-11-07)
+-----------------
 
 New features:
 
diff --git a/src/icalendar/__init__.py b/src/icalendar/__init__.py
index afb254f..8f8d2f1 100644
--- a/src/icalendar/__init__.py
+++ b/src/icalendar/__init__.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-__version__ = '3.11.8.dev0'
+__version__ = '3.12'
 
 from icalendar.cal import (
     Calendar,