diff --git a/CHANGELOG.md b/CHANGELOG.md
index 352f9bd..f1ce1b5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## [Unreleased]
+## [0.5.0] - 2017-10-23
 ### Added
 - `delete` command for deleting modules from Puppetfile.
 
diff --git a/lib/puppetfile_editor/version.rb b/lib/puppetfile_editor/version.rb
index 1c0b901..a114b00 100644
--- a/lib/puppetfile_editor/version.rb
+++ b/lib/puppetfile_editor/version.rb
@@ -1,3 +1,3 @@
 module PuppetfileEditor
-  VERSION = '0.4.0'.freeze
+  VERSION = '0.5.0'.freeze
 end