diff --git a/CHANGELOG.md b/CHANGELOG.md
index dd6a66278..0938eb156 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## [Unreleased]
 
+
+## [v285] - 2024-11-21
+
 - Default `UV_USE_IO_URING=0` due to build timeouts [context](/~https://github.com/heroku/heroku-buildpack-nodejs/pull/1347) (/~https://github.com/heroku/heroku-buildpack-ruby/pull/1523)
 
 ## [v284] - 2024-11-15
@@ -1599,7 +1602,8 @@ 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/v284...main
+[unreleased]: /~https://github.com/heroku/heroku-buildpack-ruby/compare/v285...main
+[v285]: /~https://github.com/heroku/heroku-buildpack-ruby/compare/v284...v285
 [v284]: /~https://github.com/heroku/heroku-buildpack-ruby/compare/v283...v284
 [v283]: /~https://github.com/heroku/heroku-buildpack-ruby/compare/v282...v283
 [v282]: /~https://github.com/heroku/heroku-buildpack-ruby/compare/v281...v282
diff --git a/lib/language_pack/version.rb b/lib/language_pack/version.rb
index 05ab999c2..162bb64a0 100644
--- a/lib/language_pack/version.rb
+++ b/lib/language_pack/version.rb
@@ -2,6 +2,6 @@
 
 module LanguagePack
   class LanguagePack::Base
-    BUILDPACK_VERSION = "v284"
+    BUILDPACK_VERSION = "v285"
   end
 end