diff --git a/CHANGELOG.md b/CHANGELOG.md
index c97c02df..9b4a242a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,8 @@
 # Changelog
 
-## [Unreleased](https://github.com/yykamei/rails_band/tree/HEAD)
+## [v0.5.0](https://github.com/yykamei/rails_band/tree/v0.5.0) (2021-12-25)
 
-[Full Changelog](https://github.com/yykamei/rails_band/compare/v0.4.0...HEAD)
+[Full Changelog](https://github.com/yykamei/rails_band/compare/v0.4.0...v0.5.0)
 
 **Implemented enhancements:**
 
diff --git a/lib/rails_band/version.rb b/lib/rails_band/version.rb
index 0e8e85e3..6c7dc8d0 100644
--- a/lib/rails_band/version.rb
+++ b/lib/rails_band/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module RailsBand
-  VERSION = '0.4.0'
+  VERSION = '0.5.0'
 end