diff --git a/CHANGELOG b/CHANGELOG
index 64a42bb2c..45dc452a6 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -4,8 +4,9 @@
 
 https://openslides.org/
 
-Version 2.1.1 (unreleased)
+Version 2.1.1 (2017-04-05)
 ==========================
+[https://github.com/OpenSlides/OpenSlides/milestones/2.1.1]
 
 Agenda:
 - Fixed issue #3173 that the agenda item text cannot be changed.
diff --git a/openslides/__init__.py b/openslides/__init__.py
index d5323532a..9766748cf 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__ = '2.1.1-dev'
+__version__ = '2.1.1'