diff --git a/CHANGES.rst b/CHANGES.rst
index 683c7e48b..6a198816a 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,7 +2,7 @@
  Change History
 ================
 
-5.2.1 (unreleased)
+5.2.1 (2017-04-08)
 ==================
 
 - Fixed: When opening FileStorages in read-only mode, non-existent
diff --git a/setup.py b/setup.py
index 5fe595c82..7e3ebd7d0 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@
 # FOR A PARTICULAR PURPOSE.
 #
 ##############################################################################
-version = '5.2.1.dev0'
+version = '5.2.1'
 
 import os
 from setuptools import setup, find_packages