diff --git a/CHANGELOG.md b/CHANGELOG.md
index 13420d7..6033671 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,17 @@ The format is based on [Keep a Changelog]
 
 ## [Unreleased]
 
+## [2.0.0] - 2024-04-01
+
+- Version 2.0.0 rewrites most of the gem, without altering the API
+- The gem no longer prepends code in ActionMailer
+- Previews are now 100% supported in Rails, but will require a Notify API key
+- The preview layout has been updated and uses the Tudor Crown
+- This version fixes a bug that meant not all Rails preview functionality would
+  work
+- This version fixes a bug that meant no Rails preview functionality would work
+  from version 7.1.0 onwards
+
 ## [1.2.0] - 2023-04-28
 
 - Requiring Ruby 2.7.8
@@ -71,7 +82,10 @@ The format is based on [Keep a Changelog]
 
 - Initial release
 
-[unreleased]: https://github.com/DFE-Digital/dfe-teachers-payment-service/compare/1.0.3...HEAD
+[unreleased]: https://github.com/dxw/mail-notify/compare/2.0.0...HEAD
+[2.0.0]: https://github.com/dxw/mail-notify/compare/1.2.0...2.0.0 
+[1.2.0]: https://github.com/dxw/mail-notify/compare/1.1.0...1.2.0 
+[1.1.0]: https://github.com/dxw/mail-notify/compare/1.0.5...1.1.0 
 [1.0.5]: https://github.com/dxw/mail-notify/compare/1.0.4...1.0.5
 [1.0.4]: https://github.com/dxw/mail-notify/compare/1.0.3...1.0.4
 [1.0.3]: https://github.com/dxw/mail-notify/compare/1.0.2...1.0.3
diff --git a/lib/mail/notify/version.rb b/lib/mail/notify/version.rb
index 45c5ac7..3297cd1 100644
--- a/lib/mail/notify/version.rb
+++ b/lib/mail/notify/version.rb
@@ -2,6 +2,6 @@
 
 module Mail
   module Notify
-    VERSION = "1.2.0"
+    VERSION = "2.0.0"
   end
 end
diff --git a/mail-notify.gemspec b/mail-notify.gemspec
index 2f8faac..c70b920 100644
--- a/mail-notify.gemspec
+++ b/mail-notify.gemspec
@@ -7,10 +7,10 @@ require "mail/notify/version"
 Gem::Specification.new do |spec|
   spec.name = "mail-notify"
   spec.version = Mail::Notify::VERSION
-  spec.authors = ["Stuart Harrison"]
+  spec.authors = ["Stuart Harrison", "Meyric Rawlings"]
   spec.email = ["pezholio@gmail.com"]
 
-  spec.summary = "ActionMailer support for the GOV.UK Notify API"
+  spec.summary = "Rails plugin, send and preview email with GOV.UK Notify"
   spec.homepage = "https://github.com/dxw/mail-notify"
   spec.license = "MIT"