diff --git a/docs/HISTORY.txt b/docs/HISTORY.txt
index e387fa9..67ace63 100644
--- a/docs/HISTORY.txt
+++ b/docs/HISTORY.txt
@@ -1,6 +1,12 @@
 Changelog
 =========
 
+4.0.8 (unreleased)
+------------------
+
+- Nothing changed yet.
+
+
 4.0.7 (2021-08-30)
 ------------------
 
diff --git a/setup.py b/setup.py
index 4976f3b..35ee9e3 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup, find_packages
 import os
 
-version = '4.0.7'
+version = '4.0.8.dev0'
 
 tests_require = [
     'ftw.builder',