diff --git a/CHANGELOG b/CHANGELOG
index fd05e43..4f320c6 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -5,6 +5,12 @@ This document describes changes between past releases. For information about
 future releases, check `milestones`_ and :doc:`/about/vision`.
 
 
+1.6 (unreleased)
+----------------
+
+- Nothing changed yet.
+
+
 1.5 (2013-11-29)
 ----------------
 
diff --git a/VERSION b/VERSION
index c239c60..e8637af 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.5
+1.6.dev0