diff --git a/.github/settings.yml b/.github/settings.yml
index 89e07dd2..2fc56c88 100644
--- a/.github/settings.yml
+++ b/.github/settings.yml
@@ -26,6 +26,9 @@ branches:
           - context: "Tests (8.2, highest)"
           - context: "Tests (8.2, locked)"
           - context: "Tests (8.2, lowest)"
+          - context: "Tests (8.3, highest)"
+          - context: "Tests (8.3, locked)"
+          - context: "Tests (8.3, lowest)"
         strict: false
       restrictions:
 
diff --git a/.github/workflows/integrate.yaml b/.github/workflows/integrate.yaml
index 93c0ce27..e5927828 100644
--- a/.github/workflows/integrate.yaml
+++ b/.github/workflows/integrate.yaml
@@ -375,6 +375,7 @@ jobs:
         php-version:
           - "8.1"
           - "8.2"
+          - "8.3"
 
         dependencies:
           - "lowest"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e6a2fd3a..27755509 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ For a full diff see [`6.6.0...main`][6.6.0...main].
 ### Changed
 
 - Updated `friendsofphp/php-cs-fixer` ([#908]), by [@dependabot]
+- Added support for PHP 8.3 ([#913]), by [@localheinz]
 
 ## [`6.6.0`][6.6.0]
 
@@ -1291,6 +1292,7 @@ For a full diff see [`d899e77...1.0.0`][d899e77...1.0.0].
 [#903]: https://github.com/ergebnis/php-cs-fixer-config/pull/903
 [#904]: https://github.com/ergebnis/php-cs-fixer-config/pull/904
 [#908]: https://github.com/ergebnis/php-cs-fixer-config/pull/908
+[#913]: https://github.com/ergebnis/php-cs-fixer-config/pull/913
 
 [@dependabot]: https://github.com/apps/dependabot
 [@linuxjuggler]: https://github.com/linuxjuggler
diff --git a/composer.json b/composer.json
index f98f818c..63cda918 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
     "security": "https://github.com/ergebnis/php-cs-fixer-config/blob/main/.github/SECURITY.md"
   },
   "require": {
-    "php": "~8.1.0 || ~8.2.0",
+    "php": "~8.1.0 || ~8.2.0 || ~8.3.0",
     "ext-filter": "*",
     "erickskrauch/php-cs-fixer-custom-fixers": "~1.2.0",
     "friendsofphp/php-cs-fixer": "~3.34.1",
diff --git a/composer.lock b/composer.lock
index f94ed44b..55867984 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": "d420c9894e9c8a10c99ae63dfbd88865",
+    "content-hash": "492a9113c9c9d927f59ec5550e4704bc",
     "packages": [
         {
             "name": "composer/pcre",
@@ -5645,12 +5645,12 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "~8.1.0 || ~8.2.0",
+        "php": "~8.1.0 || ~8.2.0 || ~8.3.0",
         "ext-filter": "*"
     },
     "platform-dev": [],
     "platform-overrides": {
         "php": "8.1.20"
     },
-    "plugin-api-version": "2.3.0"
+    "plugin-api-version": "2.6.0"
 }