diff --git a/CHANGELOG.md b/CHANGELOG.md
index 72836988..fd6c69ea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,7 +3,9 @@ Airbrake Ruby Changelog
 
 ### master
 
-* Added a new helper method `Airbrake#configured?`
+### [v2.3.0][v2.3.0] (June 6, 2017)
+
+* Added a new helper method `Airbrake.configured?`
   ([#237](https://github.com/airbrake/airbrake-ruby/pull/237))
 
 ### [v2.2.7][v2.2.7] (June 24, 2017)
@@ -333,3 +335,4 @@ Airbrake Ruby Changelog
 [v2.2.5]: https://github.com/airbrake/airbrake-ruby/releases/tag/v2.2.5
 [v2.2.6]: https://github.com/airbrake/airbrake-ruby/releases/tag/v2.2.6
 [v2.2.7]: https://github.com/airbrake/airbrake-ruby/releases/tag/v2.2.7
+[v2.3.0]: https://github.com/airbrake/airbrake-ruby/releases/tag/v2.3.0
diff --git a/README.md b/README.md
index ab608988..66ecf986 100644
--- a/README.md
+++ b/README.md
@@ -57,7 +57,7 @@ Installation
 Add the Airbrake Ruby gem to your Gemfile:
 
 ```ruby
-gem 'airbrake-ruby', '~> 2.2'
+gem 'airbrake-ruby', '~> 2.3'
 ```
 
 ### Manual
diff --git a/lib/airbrake-ruby/version.rb b/lib/airbrake-ruby/version.rb
index eb3c8381..fe4cdded 100644
--- a/lib/airbrake-ruby/version.rb
+++ b/lib/airbrake-ruby/version.rb
@@ -4,5 +4,5 @@
 module Airbrake
   ##
   # @return [String] the library version
-  AIRBRAKE_RUBY_VERSION = '2.2.7'.freeze
+  AIRBRAKE_RUBY_VERSION = '2.3.0'.freeze
 end