diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6d98504..f369326 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 For a full diff see [`2.3.0...main`][2.3.0...main].
 
+### Changed
+
+- Added support for PHP 8.4, ([#159]), by [@holtkamp]
+
 ## [`2.3.0`][2.3.0]
 
 For a full diff see [`2.2.0...2.3.0`][2.2.0...2.3.0].
@@ -127,6 +131,7 @@ For a full diff see [`1091250...v1.0.0`][1091250...v1.0.0].
 [#90]: https://github.com/teapot-php/status-code/pull/90
 [#114]: https://github.com/teapot-php/status-code/pull/114
 
+[@holtkamp]: https://github.com/holtkamp
 [@jtheuerkauf]: https://github.com/jtheuerkauf
 [@localheinz]: https://github.com/localheinz
 [@OrestisZag]: https://github.com/OrestisZag
diff --git a/composer.json b/composer.json
index 2176e2a..e9f5e8b 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
   ],
   "homepage": "https://github.com/teapot-php/status-code",
   "require": {
-    "php": "~7.4.0 || ~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0"
+    "php": "~7.4.0 || ~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0"
   },
   "require-dev": {
     "ergebnis/composer-normalize": "^2.45.0",
diff --git a/composer.lock b/composer.lock
index 0501e67..2e16684 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "e9f560c1bef168f91cc7e800eb71c4f8",
+    "content-hash": "8d0f58558655144224390f12844a946c",
     "packages": [],
     "packages-dev": [
         {
@@ -3726,7 +3726,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "~7.4.0 || ~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0"
+        "php": "~7.4.0 || ~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0"
     },
     "platform-dev": {},
     "platform-overrides": {