diff --git a/doc/source/conf.py b/doc/source/conf.py
index 43fe47b8..2591885c 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -65,10 +65,10 @@
 # built documents.
 #
 # The short X.Y version.
-version = '1.0.0beta10-dev'
+version = '1.0.0beta11'
 
 # The full version, including alpha/beta/rc tags.
-release = '1.0.0beta10-dev'
+release = '1.0.0beta11'
 
 # 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 5ae2fe5c..c0f3ac2c 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@
 from distutils.core import setup
 from glob import glob
 
-__version__ = "1.0.0beta10-dev"
+__version__ = "1.0.0beta11"
 __maintainer__ = "Emperor development team"
 __email__ = "yoshiki89@gmail.com"