diff --git a/setup.py b/setup.py
index 99a91f7f872043d686b7370024317c146fc024da..89dc30b8fcabe299b6309e23e85c202fc077022d 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup, find_packages
 import glob
 import os
-version = '0.31.2'
+version = '0.31.3-dev'
 name = 'slapos.core'
 long_description = open("README.txt").read() + "\n" + \
     open("CHANGES.txt").read() + "\n"