diff --git a/CHANGELOG b/CHANGELOG
index 2510cc3..cd6be7b 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`.
 
 
+1.5 (unreleased)
+----------------
+
+- Nothing changed yet.
+
+
 1.4 (2013-11-24)
 ----------------
 
diff --git a/VERSION b/VERSION
index c068b24..8fc6399 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.4
+1.5.dev0