diff --git a/CHANGELOG b/CHANGELOG
index c7d6044c81..70a32d6959 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,4 @@
+* Drop support of Python 2.6
 * Allow to pass field values to new method
 * Add click method for buttons
 
diff --git a/INSTALL b/INSTALL
index 15e26c57cd..fb3635e786 100644
--- a/INSTALL
+++ b/INSTALL
@@ -4,7 +4,7 @@ Installing proteus
 Prerequisites
 -------------
 
- * Python 2.6 or later (http://www.python.org/)
+ * Python 2.7 or later (http://www.python.org/)
  * python-dateutil (http://labix.org/python-dateutil)
  * Optional: trytond (http://www.tryton.org/)
  * Optional: simplejson (http://undefined.org/python/#simplejson)
diff --git a/setup.py b/setup.py
index b63c3bba2a..761e166669 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,6 @@ setup(name='proteus',
         'License :: OSI Approved :: '
         'GNU Library or Lesser General Public License (LGPL)',
         'Operating System :: OS Independent',
-        'Programming Language :: Python :: 2.6',
         'Programming Language :: Python :: 2.7',
         'Topic :: Office/Business',
         ],