diff --git a/docs/HISTORY.rst b/docs/HISTORY.rst
index 16771c9..177eb95 100644
--- a/docs/HISTORY.rst
+++ b/docs/HISTORY.rst
@@ -1,6 +1,12 @@
 Changelog
 =========
 
+1.3.4 (unreleased)
+------------------
+
+- Nothing changed yet.
+
+
 1.3.3 (2018-07-12)
 ------------------
 
diff --git a/setup.py b/setup.py
index 8ae5aeb..50be5b2 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 from setuptools import setup
 import os
 
-version = '1.3.3'
+version = '1.3.4.dev0'
 
 setup(
     name='collective.auditlog',