diff --git a/CHANGES.rst b/CHANGES.rst
index 7496a3d..b2eb2b1 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,22 @@
 Changelog
 =========
 
+3.3.7 (unreleased)
+------------------
+
+Breaking changes:
+
+- *add item here*
+
+New features:
+
+- *add item here*
+
+Bug fixes:
+
+- *add item here*
+
+
 3.3.6 (2018-06-19)
 ------------------
 
diff --git a/setup.py b/setup.py
index d5f0008..3380394 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 from setuptools import setup
 
 
-version = '3.3.6'
+version = '3.3.7.dev0'
 
 setup(
     name='plone.app.linkintegrity',