diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6452ce4..3d4ecf9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## Version [4.2.0](https://github.com/cedx/which.js/compare/v4.1.0...v4.2.0)
+- Ported the unit tests to classes with experimental decorators.
+- Updated the package dependencies.
+
 ## Version [4.1.0](https://github.com/cedx/which.js/compare/v4.0.1...v4.1.0)
 - Ported the source code to [TypeScript](https://www.typescriptlang.org).
 - Replaced [ESDoc](https://esdoc.org) documentation generator by [TypeDoc](https://typedoc.org).
diff --git a/package.json b/package.json
index db6dbeb..ada28da 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   "name": "@cedx/which",
   "repository": "cedx/which.js",
   "types": "./lib/index.d.ts",
-  "version": "4.1.0",
+  "version": "4.2.0",
   "bin": {
     "which": "./bin/which.js"
   },