diff --git a/CHANGELOG.md b/CHANGELOG.md
index 042f1a05..e6d5b4bf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,20 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [3.0.0] - 2022-12-26
+
+### Added
+
+- Add ability to set access_token via gem configuration.
+- Thanks [@grjones](https://github.com/grjones) and [@aquaflamingo](https://github.com/aquaflamingo) for raising this and [@feministy](https://github.com/feministy) for the [excellent guide](https://github.com/feministy/lizabinante.com/blob/stable/source/2016-01-30-creating-a-configurable-ruby-gem.markdown#configuration-block-the-end-goal) to adding config to a gem.
+
+### Removed
+
+- [BREAKING] Remove ability to include access_token directly via ENV vars.
+- [BREAKING] Remove deprecated answers, classifications, embeddings, engines and search endpoints.
+- [BREAKING] Remove ability to pass engine to completions and embeddings outside of the parameters hash.
+- [BREAKING] Remove ability to pass API version directly to endpoints.
+
 ## [2.3.0] - 2022-12-23
 
 ### Added
diff --git a/Gemfile.lock b/Gemfile.lock
index 0e5a1024..228a5fbd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    ruby-openai (2.3.0)
+    ruby-openai (3.0.0)
       httparty (>= 0.18.1, < 0.21.0)
 
 GEM
diff --git a/lib/ruby/openai/version.rb b/lib/ruby/openai/version.rb
index c8d302a1..82041612 100644
--- a/lib/ruby/openai/version.rb
+++ b/lib/ruby/openai/version.rb
@@ -1,5 +1,5 @@
 module Ruby
   module OpenAI
-    VERSION = "2.3.0".freeze
+    VERSION = "3.0.0".freeze
   end
 end