diff --git a/docs/conf.py b/docs/conf.py
index <HASH>..<HASH> 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -21,8 +21,8 @@ source_suffix = '.rst'
 master_doc = 'index'
 project = 'django-treebeard'
 copyright = '2008-2013, Gustavo Picon'
-version = '2.0a1'
-release = '2.0a1'
+version = '2.0b1'
+release = '2.0b1'
 exclude_trees = ['_build']
 pygments_style = 'sphinx'
 html_theme = 'default'
diff --git a/setup.py b/setup.py
index <HASH>..<HASH> 100644
--- a/setup.py
+++ b/setup.py
@@ -25,7 +25,7 @@ class pytest_test(test):
 
 setup_args = dict(
     name='django-treebeard',
-    version='2.0a1',
+    version='2.0b1',
     url='https://tabo.pe/projects/django-treebeard/',
     author='Gustavo Picon',
     author_email='tabo@tabo.pe',
diff --git a/treebeard/__init__.py b/treebeard/__init__.py
index <HASH>..<HASH> 100644
--- a/treebeard/__init__.py
+++ b/treebeard/__init__.py
@@ -1 +1 @@
-__version__ = '2.0a1'
+__version__ = '2.0b1'
preparing <I>b1 release