diff --git a/CHANGES.txt b/CHANGES.txt
index bc2b890..0cc8081 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -2,10 +2,16 @@
 CHANGES
 =======
 
-4.0.0a3 (unreleased)
---------------------
+4.0.0 (unreleased)
+------------------
+
+- Tested on Travis-CI against supported Python verisons.
+
+- Dropped use of ``zope.testrunner`` for testing.
+
+- Dropped dependency on ``six``.
 
-- Nothing changed yet.
+- Replaced doctests with equivalent unittests.
 
 
 4.0.0a2 (2013-02-26)