diff --git a/.github/settings.yml b/.github/settings.yml
index 2ed6882..5b4d8bf 100644
--- a/.github/settings.yml
+++ b/.github/settings.yml
@@ -36,6 +36,9 @@ branches:
           - context: "Tests (8.3, highest)"
           - context: "Tests (8.3, locked)"
           - context: "Tests (8.3, lowest)"
+          - context: "Tests (8.4, highest)"
+          - context: "Tests (8.4, locked)"
+          - context: "Tests (8.4, lowest)"
         strict: false
       restrictions:
 
diff --git a/.github/workflows/integrate.yaml b/.github/workflows/integrate.yaml
index 59529af..2c99f7c 100644
--- a/.github/workflows/integrate.yaml
+++ b/.github/workflows/integrate.yaml
@@ -422,6 +422,7 @@ jobs:
           - "8.1"
           - "8.2"
           - "8.3"
+          - "8.4"
 
         dependencies:
           - "lowest"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b4d14fe..71a8aaf 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 [`1.1.0...main`][1.1.0...main].
 
+### Added
+
+- Added support for PHP 8.4 ([#167]), by [@localheinz]
+
 ## [`1.1.0`][1.1.0]
 
 For a full diff see [`1.0.0...1.1.0`][1.0.0...1.1.0].
@@ -44,5 +48,6 @@ For a full diff see [`64ced12...1.0.0`][64ced12...1.0.0].
 [#8]: https://github.com/ergebnis/version/pull/8
 [#9]: https://github.com/ergebnis/version/pull/9
 [#77]: https://github.com/ergebnis/version/pull/77
+[#167]: https://github.com/ergebnis/version/pull/167
 
 [@localheinz]: https://github.com/localheinz
diff --git a/composer.json b/composer.json
index eec75b1..4f18db1 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,7 @@
     "security": "https://github.com/ergebnis/version/blob/main/.github/SECURITY.md"
   },
   "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": {
     "ext-bcmath": "*",
diff --git a/composer.lock b/composer.lock
index e6350ec..1a42950 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": "17d94175b1fa177591b14ecb30643a42",
+    "content-hash": "661eecabc0a5567517188edc15577ac5",
     "packages": [],
     "packages-dev": [
         {
@@ -6403,11 +6403,11 @@
     ],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": [],
+    "stability-flags": {},
     "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": {
         "ext-bcmath": "*"