diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..8af3180
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,20 @@
+<!-- markdownlint-disable-file MD013 -->
+
+# 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/1.0.0/),
+and this project adheres
+to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [1.0.0](https://github.com/jdno/setup-butler/releases/tag/v1.0.0)
+
+### Added
+
+- Download butler and add it to the `PATH`
+  by [@jdno](https://github.com/jdno)
+  in [#10](https://github.com/jdno/setup-butler/10)
+
+**Full Changelog**:
+<https://github.com/jdno/setup-butler/compare/643c05e4601103fd2c982a0c96b49a3ac7ab4933...v1.0.0>
diff --git a/action.yml b/action.yml
index f3ced43..529e233 100644
--- a/action.yml
+++ b/action.yml
@@ -1,6 +1,6 @@
 ---
 name: "Set up butler"
-description: "Set up your GitHub Actions workflow with itch.io's butler tool"
+description: "Set up itch.io's butler in your GitHub Actions workflow"
 
 branding:
   icon: "download-cloud"
diff --git a/package.json b/package.json
index 952c07c..5249a68 100644
--- a/package.json
+++ b/package.json
@@ -1,8 +1,8 @@
 {
   "name": "setup-butler",
-  "version": "0.0.0",
+  "version": "1.0.0",
   "private": true,
-  "description": "A GitHub Action that sets up itch.io's butler tool",
+  "description": "Set up itch.io's butler tool in your GitHub Actions workflow",
   "main": "build/main.js",
   "scripts": {
     "package": "tsc && ncc build --minify",