diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index c043568..4fe3c58 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,11 @@
 Release History
 ===============
 
+0.5.5 (2016-08-03)
+------------------
+
+* bugfix: Incorrect padding size in `base642string` in tools.base642binary().
+
 0.5.4 (2016-05-22)
 ------------------
 
diff --git a/setup.py b/setup.py
index 8530765..c5c5349 100644
--- a/setup.py
+++ b/setup.py
@@ -28,7 +28,7 @@ with open('CHANGELOG.rst', 'r') as f:
 
 setup(
     name='Stegano',
-    version='0.5.4',
+    version='0.5.5',
     author='Cédric Bonhomme',
     author_email='cedric@cedricbonhomme.org',
     packages=packages,
diff --git a/stegano/tools.py b/stegano/tools.py
index eba4be7..4762f0a 100755
--- a/stegano/tools.py
+++ b/stegano/tools.py
@@ -20,8 +20,9 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>
 
 __author__ = "Cedric Bonhomme"
-__version__ = "$Revision: 0.1 $"
+__version__ = "$Revision: 0.2 $"
 __date__ = "$Date: 2010/10/01 $"
+__revision__ = "$Date: 2016/08/03 $"
 __license__ = "GPLv3"
 
 import base64