diff --git a/CHANGELOG.md b/CHANGELOG.md
index d246c72..b0c2fab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
 ## [Unreleased]
 
+- No notable changes since last release
+
+## [1.2.0] - 2024-05-29
+
 - Streamline gem release with rake task - [#41](https://github.com/collectiveidea/protoc-gen-twirp_ruby/pull/41)
 - Make `skip-empty` the default behavior; remove recognizing the option flag - [#40](https://github.com/collectiveidea/protoc-gen-twirp_ruby/pull/40) 
 - Update GitHub action to run specs on all supported Ruby versions - [#37](https://github.com/collectiveidea/protoc-gen-twirp_ruby/pull/37)
diff --git a/example/hello_world_twirp.rb b/example/hello_world_twirp.rb
index 8208f88..6379ed8 100644
--- a/example/hello_world_twirp.rb
+++ b/example/hello_world_twirp.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-# Generated by the protoc-gen-twirp_ruby gem v1.1.1. DO NOT EDIT!
+# Generated by the protoc-gen-twirp_ruby gem v1.2.0. DO NOT EDIT!
 # source: example/hello_world.proto
 
 require "twirp"
diff --git a/lib/twirp/protoc_plugin/version.rb b/lib/twirp/protoc_plugin/version.rb
index ad25cea..412725c 100644
--- a/lib/twirp/protoc_plugin/version.rb
+++ b/lib/twirp/protoc_plugin/version.rb
@@ -2,6 +2,6 @@
 
 module Twirp
   module ProtocPlugin
-    VERSION = "1.1.1"
+    VERSION = "1.2.0"
   end
 end