diff --git a/CHANGES.rst b/CHANGES.rst
index a876f87..79b1667 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,12 @@
 Changelog
 =========
 
+1.4.0 (2020-06-13)
+------------------
+
+- Removing deprecation warnings
+- Change license to MIT/X11
+
 1.3.0 (2019-04-29)
 ------------------
 
diff --git a/README.rst b/README.rst
index a087e93..5a1372a 100644
--- a/README.rst
+++ b/README.rst
@@ -169,7 +169,7 @@ Test
     > PYTHONPATH=$PYTHONPATH:. mamba
 
 
-.. |Version Number| image:: https://img.shields.io/badge/version-1.3.0-blue.svg
+.. |Version Number| image:: https://img.shields.io/badge/version-1.4.0-blue.svg
 
 .. |Build Status| image:: https://travis-ci.org/quiqueporta/simple-value-object.svg?branch=master
     :target: https://travis-ci.org/quiqueporta/simple-value-object
@@ -183,4 +183,4 @@ Test
 
 .. |License MIT| image:: https://img.shields.io/github/license/quiqueporta/simple-value-object
 
-.. |Python Version| image:: https://img.shields.io/badge/python-2.7,_3.6,_3.7,_3.8-blue.svg
+.. |Python Version| image:: https://img.shields.io/badge/python-2.7,_3.4,_3.5,_3.6,_3.7,_3.8-blue.svg
diff --git a/simple_value_object/__init__.py b/simple_value_object/__init__.py
index c39f298..a12c8ac 100644
--- a/simple_value_object/__init__.py
+++ b/simple_value_object/__init__.py
@@ -3,7 +3,7 @@
 from .value_object import ValueObject
 from .decorators import invariant
 
-VERSION = (1, 3, 0, 'final')
+VERSION = (1, 4, 0, 'final')
 __version__ = VERSION