diff --git a/kcc.py b/kcc.py
index 30e75c9..690421b 100644
--- a/kcc.py
+++ b/kcc.py
@@ -16,7 +16,7 @@
 # TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 # PERFORMANCE OF THIS SOFTWARE.
 #
-__version__ = '2.5'
+__version__ = '2.6-dev'
 __license__   = 'ISC'
 __copyright__ = '2012-2013, Ciro Mattia Gonano <ciromattia@gmail.com>'
 __docformat__ = 'restructuredtext en'
diff --git a/kcc/comic2ebook.py b/kcc/comic2ebook.py
index f7ed35e..70b0743 100755
--- a/kcc/comic2ebook.py
+++ b/kcc/comic2ebook.py
@@ -16,7 +16,7 @@
 # TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 # PERFORMANCE OF THIS SOFTWARE.
 #
-__version__ = '2.5'
+__version__ = '2.6-dev'
 __license__ = 'ISC'
 __copyright__ = '2012-2013, Ciro Mattia Gonano <ciromattia@gmail.com>'
 __docformat__ = 'restructuredtext en'
diff --git a/setup.py b/setup.py
index dc1142e..0fd4b00 100644
--- a/setup.py
+++ b/setup.py
@@ -17,7 +17,7 @@ import sys
 from setuptools import setup
 
 NAME='KindleComicConverter'
-VERSION="2.5"
+VERSION="2.6-dev"
 mainscript = 'kcc.py'
 
 if sys.platform == 'darwin':