diff --git a/CHANGELOG.md b/CHANGELOG.md
index db811b77..f31ddedb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,8 +7,22 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [6.0.0] - 2024-08-28
+
+### Added
+
+- Add `HTTP.retriable` API (#775)
+- Add more granularity to `HTTP::ConnectionError` (#783)
+- Cache header normalization to reduce object allocation (#789)
+
+### Changed
+
+- **BREAKING** Handle responses in the reverse order from the requests (#776)
+- Drop `base64` gem dependency (#778)
+
 ### Removed
 
 - **BREAKING** Drop Ruby 2.x support
 
 [unreleased]: https://github.com/httprb/http/compare/v5.2.0...main
+[6.0.0]: https://github.com/httprb/http/compare/v5.2.0...v6.0.0
diff --git a/lib/http/version.rb b/lib/http/version.rb
index 1c348cfe..c0ee898f 100644
--- a/lib/http/version.rb
+++ b/lib/http/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module HTTP
-  VERSION = "5.2.0"
+  VERSION = "6.0.0"
 end