diff --git a/ChangeLog.rst b/ChangeLog.rst
index 3cfcab2..54be9ca 100644
--- a/ChangeLog.rst
+++ b/ChangeLog.rst
@@ -1,6 +1,11 @@
 Dev
 ***
 
+Version 0.5.1
+*************
+
+* [impr] cleaner align of labels (input-group-addon width)
+
 Version 0.5.0
 *************
 
diff --git a/docs/conf.py b/docs/conf.py
index 1f2f184..40c262c 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -33,6 +33,8 @@ sys.modules.update((mod_name, Mock()) for mod_name in MOCK_MODULES)
 
 sys.path.insert(0, os.path.abspath('..'))
 
+from ldapcherry import version
+
 # -- General configuration -----------------------------------------------------
 
 # If your documentation needs a minimal Sphinx version, state it here.
@@ -64,7 +66,7 @@ copyright = u'2016, Pierre-Francois Carpentier'
 #
 # The short X.Y version.
 # The full version, including alpha/beta/rc tags.
-release = '0.5.0'
+release = version
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/ldapcherry/__init__.py b/ldapcherry/__init__.py
index 60ce654..bfc9621 100644
--- a/ldapcherry/__init__.py
+++ b/ldapcherry/__init__.py
@@ -35,6 +35,8 @@ from sets import Set
 
 SESSION_KEY = '_cp_username'
 
+version = '0.5.1'
+
 
 class LdapCherry(object):
 
diff --git a/setup.py b/setup.py
index 47353af..35a25f0 100755
--- a/setup.py
+++ b/setup.py
@@ -17,6 +17,8 @@ data_dir = os.path.join(datarootdir, 'ldapcherry')
 config_dir = os.path.join(sysconfdir, 'ldapcherry')
 small_description = 'A simple web application to manage Ldap entries'
 
+from ldapcherry import version
+
 # change requirements according to python version
 if sys.version_info[0] == 2:
     install_requires = [
@@ -108,7 +110,7 @@ if as_option_root() or not os.path.exists(
 setup(
     name='ldapcherry',
     zip_safe=False,
-    version='0.5.0',
+    version=version,
     author='Pierre-Francois Carpentier',
     author_email='carpentier.pf@gmail.com',
     packages=[