Preparing release v1.9.0

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [1.9.0] - 2019-10-12
 - No changes yet.
 
 
@@ -248,7 +248,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Added
 - Initial release.
 
-[Unreleased]: https://github.com/uber/prototool/compare/v1.8.0...HEAD
+[1.9.0]: https://github.com/uber/prototool/compare/v1.8.0...v1.9.0
 [1.8.0]: https://github.com/uber/prototool/compare/v1.7.0...v1.8.0
 [1.7.0]: https://github.com/uber/prototool/compare/v1.6.0...v1.7.0
 [1.6.0]: https://github.com/uber/prototool/compare/v1.5.0...v1.6.0

internal/vars/vars.go

@@ -23,7 +23,7 @@ package vars
 
 const (
 	// Version is the current version.
-	Version = "1.9.0-dev"
+	Version = "1.9.0"
 
 	// DefaultProtocVersion is the default version of protoc from
 	// github.com/protocolbuffers/protobuf to use.