diff --git a/AUTHORS.rst b/AUTHORS.rst
index 4d0568e..bc0e80c 100755
--- a/AUTHORS.rst
+++ b/AUTHORS.rst
@@ -6,8 +6,11 @@ Authors
 Core Committers
 ---------------
 
+* Alexandre Silva
 * Diogo Marques
+* Eduardo Nogueira
 * Rui Martins
+* Tiago Costa
 
 Contributors
 ------------
@@ -15,11 +18,9 @@ Contributors
 * `Django-modeltranslation`_
 * `Django-linguo`_
 * Alain Gelinas
-* Eduardo Nogueira
 * Karl Hobley
 * Raphael Grill
 * Tom Dyson
-* Tiago Costa
 * Tim Tan
 
 
diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index c51baa6..c573383 100755
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,3 +1,10 @@
+v0.5.0a:
+- Wagtail 1.4.x compatibility (#67)
+- ElasticSearch integration (#66)
+- Validation of slug uniqueness (#37)
+- Patching of inline-panels (#70)
+- Deprecated TranslationMixin and SnippetsMixin (#69)
+
 v0.4.4:
 - Fix issue related to Django 1.9.x
 
diff --git a/LICENSE.txt b/LICENSE.txt
index b71855b..66ea171 100755
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,5 +1,5 @@
 Copyright (c) 2012, 2011, 2010, 2009, Peter Eschler, Dirk Eschler
-Copyright (c) 2015 Rui Martins, Diogo Marques
+Copyright (c) 2016 InfoPortugal S.A.
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -24,4 +24,3 @@ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
diff --git a/PKG-INFO b/PKG-INFO
index b787d57..51f27e9 100644
--- a/PKG-INFO
+++ b/PKG-INFO
@@ -1,9 +1,9 @@
 Metadata-Version: 1.0
 Name: wagtail-modeltranslation
-Version: 0.4.4
+Version: 0.5.0a
 Summary: Translates Wagtail CMS models using a registration approach.
 Home-page: https://github.com/infoportugal/wagtail-modeltranslation
-Author: Diogo Marques, Eduardo Nogueira, Rui Martins
+Author: InfoPortugal S.A.
 Author-email: ...
 License: New BSD
 Description: The modeltranslation application can be used to translate dynamic
diff --git a/setup.py b/setup.py
index 951cc40..ae52ee2 100755
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@ from distutils.core import setup
 
 setup(
     name='wagtail-modeltranslation',
-    version='0.4.4',
+    version='0.5.0a',
     description='Translates Wagtail CMS models using a registration approach.',
     long_description=(
         'The modeltranslation application can be used to translate dynamic '