diff --git a/openslides/__init__.py b/openslides/__init__.py
index 7f69d7ee1..86835668a 100644
--- a/openslides/__init__.py
+++ b/openslides/__init__.py
@@ -1,3 +1,3 @@
 __author__ = 'OpenSlides Team <support@openslides.org>'
 __description__ = 'Presentation and assembly system'
-__version__ = '2.0a1'
+__version__ = '2.0b1-dev'