diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9b22a7ee9..da33c7f75 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## [Unreleased]
 
+
+## [v279] - 2024-09-04
+
 - Ruby 3.3.5 is now available (https://github.com/heroku/heroku-buildpack-ruby/pull/1491)
 
 ## [v278] - 2024-08-05
@@ -1563,7 +1566,8 @@ Bugfixes:
 * Change gem detection to use lockfile parser
 * use `$RACK_ENV` when thin is detected for rack apps
 
-[unreleased]: https://github.com/heroku/heroku-buildpack-ruby/compare/v278...main
+[unreleased]: https://github.com/heroku/heroku-buildpack-ruby/compare/v279...main
+[v279]: https://github.com/heroku/heroku-buildpack-ruby/compare/v278...v279
 [v278]: https://github.com/heroku/heroku-buildpack-ruby/compare/v277...v278
 [v277]: https://github.com/heroku/heroku-buildpack-ruby/compare/v276...v277
 [v276]: https://github.com/heroku/heroku-buildpack-ruby/compare/v275...v276
diff --git a/changelogs/unreleased/ruby-3.3.5.md b/changelogs/v279/ruby-3.3.5.md
similarity index 100%
rename from changelogs/unreleased/ruby-3.3.5.md
rename to changelogs/v279/ruby-3.3.5.md
diff --git a/lib/language_pack/version.rb b/lib/language_pack/version.rb
index 0f1e34b11..a04cb997b 100644
--- a/lib/language_pack/version.rb
+++ b/lib/language_pack/version.rb
@@ -2,6 +2,6 @@
 
 module LanguagePack
   class LanguagePack::Base
-    BUILDPACK_VERSION = "v278"
+    BUILDPACK_VERSION = "v279"
   end
 end