diff --git a/CHANGES.rst b/CHANGES.rst
index 315f4bc..4c09c65 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,11 @@
 Changelog
 =========
 
+Version 1.4.3 [unreleased]
+--------------------------
+
+WIP
+
 Version 1.4.2 [2016-04-02]
 --------------------------
 
diff --git a/django_hstore/__init__.py b/django_hstore/__init__.py
index 3ade528..dfd4a56 100644
--- a/django_hstore/__init__.py
+++ b/django_hstore/__init__.py
@@ -1,4 +1,4 @@
-VERSION = (1, 4, 2, 'final')
+VERSION = (1, 4, 3, 'alpha')
 __version__ = VERSION