diff --git a/CHANGES.rst b/CHANGES.rst
index 4d588a4..555783d 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,6 +2,12 @@
 Changelog
 =========
 
+3.8.5 (unreleased)
+------------------
+
+- Nothing changed yet.
+
+
 3.8.4 (2014-11-01)
 ------------------
 
diff --git a/setup.py b/setup.py
index 119a85f..9aa3d13 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@ import setuptools
 import sys
 
 
-version = '3.8.4'
+version = '3.8.5.dev0'
 shortdesc = 'iCalendar parser/generator'
 longdesc = codecs.open('README.rst', encoding='utf-8').read()
 longdesc += codecs.open('CHANGES.rst', encoding='utf-8').read()