diff --git a/CHANGES.txt b/CHANGES.txt
index ebf8f84..2c80e30 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,6 +1,12 @@
 Changelog
 =========
 
+1.3.7 (unreleased)
+------------------
+
+- Nothing changed yet.
+
+
 1.3.6 (2014-03-02)
 ------------------
 
diff --git a/setup.py b/setup.py
index a7a3398..ae1db5c 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 from setuptools import setup, find_packages
 
-version = '1.3.6'
+version = '1.3.7.dev0'
 
 setup(name='plone.schemaeditor',
       version=version,