diff --git a/CHANGELOG.md b/CHANGELOG.md
index a706086..54a705b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,8 +7,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.
 
 ## [Unreleased]
 
+## [1.0.0] — 2024–05–07
+
 ### Added
 
 - Base config for `stylelint`.
 
-[Unreleased]: https://github.com/firefoxic/stylelint-config/compare/v0.0.1...HEAD
+[Unreleased]: https://github.com/firefoxic/stylelint-config/compare/v1.0.0...HEAD
+[1.0.0]: https://github.com/firefoxic/stylelint-config/releases/tag/v1.0.0
diff --git a/package.json b/package.json
index a9323f6..de38491 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "@firefoxic/stylelint-config",
 	"description": "Shared config for stylelint by firefoxic.",
-	"version": "0.0.1",
+	"version": "1.0.0",
 	"license": "MIT",
 	"author": {
 		"name": "Sergey Artemov",