diff --git a/CHANGES.txt b/CHANGES.rst
similarity index 99%
rename from CHANGES.txt
rename to CHANGES.rst
index 5f3850b..41f39d6 100644
--- a/CHANGES.txt
+++ b/CHANGES.rst
@@ -4,7 +4,8 @@ Changelog
 2.2.9 (unreleased)
 ------------------
 
-- Nothing changed yet.
+- Rename CHANGES.txt to CHANGES.rst.
+  [timo]
 
 
 2.2.8 (2013-08-20)
diff --git a/setup.py b/setup.py
index 224d547..52b646f 100644
--- a/setup.py
+++ b/setup.py
@@ -28,7 +28,7 @@ setup(name='plone.app.discussion',
       version=version,
       description="Enhanced discussion support for Plone",
       long_description=open("README.rst").read() + "\n" +
-      open("CHANGES.txt").read(),
+      open("CHANGES.rst").read(),
       classifiers=[
           "Framework :: Plone",
           "Framework :: Plone :: 3.3",