diff --git a/.github/settings.yml b/.github/settings.yml
index 946d42b2..a3739d12 100644
--- a/.github/settings.yml
+++ b/.github/settings.yml
@@ -27,6 +27,9 @@ 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 21af84f4..603eaed8 100644
--- a/.github/workflows/integrate.yaml
+++ b/.github/workflows/integrate.yaml
@@ -436,6 +436,7 @@ jobs:
         php-version:
           - "8.1"
           - "8.2"
+          - "8.3"
 
         dependencies:
           - "lowest"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0a148ed2..220ca4d7 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 [`1.4.0...main`][1.4.0...main].
 
+### Added
+
+- Added support for PHP 8.3 ([#1213]), by [@localheinz]
+
 ### Changed
 
 - Dropped support for PHP 8.0 ([#1109]), by [@localheinz]
@@ -328,6 +332,7 @@ For a full diff see [`fa9c564...0.1.0`][fa9c564...0.1.0].
 [#948]: https://github.com/ergebnis/factory-bot/pull/948
 [#1000]: https://github.com/ergebnis/factory-bot/pull/1000
 [#1109]: https://github.com/ergebnis/factory-bot/pull/1109
+[#1213]: https://github.com/ergebnis/factory-bot/pull/1213
 
 [@abenerd]: https://github.com/abenerd
 [@localheinz]: https://github.com/localheinz
diff --git a/composer.json b/composer.json
index 73fbea6b..cdd495b1 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
     "security": "https://github.com/ergebnis/factory-bot/blob/main/.github/SECURITY.md"
   },
   "require": {
-    "php": "~8.1.0 || ~8.2.0",
+    "php": "~8.1.0 || ~8.2.0 || ~8.3.0",
     "doctrine/annotations": "^1.10.3 || ^2.0.0",
     "doctrine/collections": "^1.6.5 || ^2.0.0",
     "doctrine/dbal": "^2.12.0 || ^3.0.0",
diff --git a/composer.lock b/composer.lock
index 65545825..65cb388d 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": "b46ce6de57e924df3d4768eb1ef31883",
+    "content-hash": "892d95fdf5c914e061904f36c0908b9b",
     "packages": [
         {
             "name": "composer/package-versions-deprecated",
@@ -8178,7 +8178,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "~8.1.0 || ~8.2.0"
+        "php": "~8.1.0 || ~8.2.0 || ~8.3.0"
     },
     "platform-dev": {
         "ext-pdo_sqlite": "*"