diff --git a/CHANGES.rst b/CHANGES.rst
index 49df294..c342d12 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,5 +1,11 @@
 CHANGELOG
 ============
+2.5 (unreleased)
+----------------
+
+- Nothing changed yet.
+
+
 2.4 (2012-09-28)
 ----------------
 
diff --git a/setup.py b/setup.py
index 4fcdc14..f884241 100644
--- a/setup.py
+++ b/setup.py
@@ -18,7 +18,7 @@
 import os
 from distutils.cmd import Command
 
-version = '2.4'
+version = '2.5.dev0'
 url = "https://github.com/makinacorpus/spynner"
 
 def read(rnames):