diff --git a/CHANGELOG.md b/CHANGELOG.md
index c89ba02..9d796eb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [0.4.0] - 2019-04-02
+
 ### Added
 
 - Statistic: Entity Statements with one or more identifiers, by statement type
diff --git a/setup.py b/setup.py
index c2c53ca..22144a6 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 setup(
     name='libcovebods',
-    version='0.3.0',
+    version='0.4.0',
     author='Open Data Services',
     author_email='code@opendataservices.coop',
     url='https://github.com/open-contracting/lib-cove-ocds',