diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6cb3542..518e8d0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.0.0] - 2024-09-06
 ### Changed
  -  Remove usage of Node core lib util module ([#1](https://github.com/Gandi/counterpart/pull/1)).
  -  Remove usage of `except` helper package ([#1](https://github.com/Gandi/counterpart/pull/2)).
@@ -29,3 +30,4 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 
 [unreleased]: https://github.com/gandi/counterpart/compare/0.18.6...HEAD
+[1.0.0]: https://github.com/gandi/counterpart/releases/tags/1.0.0
diff --git a/package-lock.json b/package-lock.json
index ce762aa..cb3c86f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@gandi/counterpart",
-  "version": "0.18.6",
+  "version": "1.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
diff --git a/package.json b/package.json
index a07725b..acef229 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@gandi/counterpart",
-  "version": "0.18.6",
+  "version": "1.0.0",
   "description": "A translation and localization library for Node.js and the browser",
   "author": {
     "name": "Martin Andert",