diff --git a/ChangeLog.rst b/ChangeLog.rst
index e45cdfd..b44e22d 100644
--- a/ChangeLog.rst
+++ b/ChangeLog.rst
@@ -1,8 +1,8 @@
 ChangeLog
 =========
 
-Next version (not yet released)
--------------------------------
+4.0 (2016-07-20)
+----------------
 
 - Drop predefined extra apt repositories
 - Drop predefined exposed ports and volumes
diff --git a/setup.py b/setup.py
index 417aae7..6bdac68 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@ def read(filename):
 
 setup(
     name='grocker',
-    version='4.0.dev1',
+    version='4.0',
     description="Docker image builder",
     long_description=read('Readme.rst'),
     keywords='docker build packaging',