diff --git a/CHANGELOG b/CHANGELOG
index 3caf2464a..a0ac8038f 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -4,6 +4,11 @@
 
 http://openslides.org
 
+Version 1.6 (unreleased)
+========================
+[https://github.com/OpenSlides/OpenSlides/issues?milestone=14]
+
+
 Version 1.5.1 (unreleased)
 ==========================
 [https://github.com/OpenSlides/OpenSlides/issues?milestone=15]
diff --git a/openslides/__init__.py b/openslides/__init__.py
index 941ae0b71..926e702bd 100644
--- a/openslides/__init__.py
+++ b/openslides/__init__.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-VERSION = (1, 5, 1, 'final', 1)  # During development it is the next release
+VERSION = (1, 6, 0, 'alpha', 1)  # During development it is the next release
 RELEASE = False