diff --git a/CHANGELOG b/CHANGELOG
index ac173619d..fda0e08f2 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -4,8 +4,8 @@
 
 https://openslides.org/
 
-Version 2.0 (unreleased)
-==========================
+Version 2.0 (2016-04-18)
+========================
 [https://github.com/OpenSlides/OpenSlides/milestones/2.0]
 
 OpenSlides 2.0 is essentially not compatible to OpenSlides 1.7. E. g.
diff --git a/openslides/__init__.py b/openslides/__init__.py
index 32d6d58e2..76483800f 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__ = '2.0-dev'
+__version__ = '2.0'