diff --git a/.github/workflows/integrate.yaml b/.github/workflows/integrate.yaml
index 1cb5776..46e2c86 100644
--- a/.github/workflows/integrate.yaml
+++ b/.github/workflows/integrate.yaml
@@ -284,6 +284,7 @@ jobs:
           - "8.1"
           - "8.2"
           - "8.3"
+          - "8.4"
 
         dependencies:
           - "locked"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 859df7e..adccc77 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 [`0.8.0...master`][0.8.0...master].
 
+### Added
+
+- Added support for PHP 8.4 ([#331]), by [@pascalbaljet]
+
 ## [`0.8.0`][0.8.0]
 
 For a full diff see [0.7.2...0.8.0`][0.7.2...0.8.0].
@@ -272,6 +276,7 @@ For a full diff see [`fcfd14e...v0.1.1`][fcfd14e...0.1.1].
 [#168]: https://github.com/nicmart/Tree/pull/168
 [#209]: https://github.com/nicmart/Tree/pull/209
 [#236]: https://github.com/nicmart/Tree/pull/236
+[#331]: https://github.com/nicmart/Tree/pull/331
 
 [@asalazar-pley]: https://github.com/asalazar-pley
 [@Djuki]: https://github.com/Djuki
diff --git a/composer.json b/composer.json
index 6d7f4eb..30ece78 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
         }
     ],
     "require": {
-        "php": "~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0"
+        "php": "~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0"
     },
     "require-dev": {
         "ergebnis/composer-normalize": "^2.44.0",
diff --git a/composer.lock b/composer.lock
index 49da1fb..2a65cf6 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": "942b5f5d4e6074d09f0276cc1a77e7d2",
+    "content-hash": "65b8f561d19bb78701f4c83414bf80fb",
     "packages": [],
     "packages-dev": [
         {
@@ -6136,13 +6136,13 @@
     ],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": [],
+    "stability-flags": {},
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0"
+        "php": "~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0"
     },
-    "platform-dev": [],
+    "platform-dev": {},
     "platform-overrides": {
         "php": "8.0.25"
     },