diff --git a/CHANGELOG.md b/CHANGELOG.md
index 21b6f3a..751090b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,9 +4,9 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com), and this project adheres to [Semantic Versioning](https://semver.org).
 
-## [Unreleased]
+## [4.2.0] - 2025-01-25
 ### Added
-* *Nothing*
+* Support shlink-config 4.0
 
 ### Changed
 * Update to PHPStan 2.0.
diff --git a/composer.json b/composer.json
index a872a07..4d2da1e 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
         "league/event": "^3.0",
         "psr/event-dispatcher": "^1.0",
         "psr/log": "^3.0",
-        "shlinkio/shlink-config": "^3.4",
+        "shlinkio/shlink-config": "^4.0 || ^3.4",
         "shlinkio/shlink-json": "^1.2"
     },
     "require-dev": {