diff --git a/ChangeLog.rst b/ChangeLog.rst
index 4349743..c6b73d1 100644
--- a/ChangeLog.rst
+++ b/ChangeLog.rst
@@ -1,6 +1,9 @@
 Dev
 ***
 
+Version 0.4.0
+*************
+
 * [impr] add unit test for multi backend setup
 * [fix ] notify on add in case if user is already in one backend
 * [fix ] notify on modify in case if user is not in every backend
diff --git a/docs/conf.py b/docs/conf.py
index 4e1ce72..1fa155d 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -64,7 +64,7 @@ copyright = u'2016, Pierre-Francois Carpentier'
 #
 # The short X.Y version.
 # The full version, including alpha/beta/rc tags.
-release = '0.3.5'
+release = '0.4.0'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/setup.py b/setup.py
index 79d81b6..4c6a408 100755
--- a/setup.py
+++ b/setup.py
@@ -109,7 +109,7 @@ if as_option_root() or not os.path.exists(
 setup(
     name='ldapcherry',
     zip_safe=False,
-    version='0.3.5',
+    version='0.4.0',
     author='Pierre-Francois Carpentier',
     author_email='carpentier.pf@gmail.com',
     packages=[