diff --git a/.github/settings.yml b/.github/settings.yml
index 0cce0e58..c156581c 100644
--- a/.github/settings.yml
+++ b/.github/settings.yml
@@ -14,16 +14,13 @@ branches:
         required_approving_review_count: 1
       required_status_checks:
         checks:
-          - context: "Code Coverage (8.0, locked)"
-          - context: "Coding Standards (8.0, locked)"
-          - context: "Dependency Analysis (8.0, locked)"
-          - context: "Mutation Tests (8.0, locked)"
-          - context: "Refactoring (8.0, locked)"
-          - context: "Security Analysis (8.0, locked)"
-          - context: "Static Code Analysis (8.0, locked)"
-          - context: "Tests (8.0, highest)"
-          - context: "Tests (8.0, locked)"
-          - context: "Tests (8.0, lowest)"
+          - context: "Code Coverage (8.1, locked)"
+          - context: "Coding Standards (8.1, locked)"
+          - context: "Dependency Analysis (8.1, locked)"
+          - context: "Mutation Tests (8.1, locked)"
+          - context: "Refactoring (8.1, locked)"
+          - context: "Security Analysis (8.1, locked)"
+          - context: "Static Code Analysis (8.1, locked)"
           - context: "Tests (8.1, highest)"
           - context: "Tests (8.1, locked)"
           - context: "Tests (8.1, lowest)"
diff --git a/.github/workflows/integrate.yaml b/.github/workflows/integrate.yaml
index 94c793e8..2725be5c 100644
--- a/.github/workflows/integrate.yaml
+++ b/.github/workflows/integrate.yaml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "8.0"
+          - "8.1"
 
         dependencies:
           - "locked"
@@ -76,7 +76,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "8.0"
+          - "8.1"
 
         dependencies:
           - "locked"
@@ -149,7 +149,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "8.0"
+          - "8.1"
 
         dependencies:
           - "locked"
@@ -203,7 +203,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "8.0"
+          - "8.1"
 
         dependencies:
           - "locked"
@@ -253,7 +253,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "8.0"
+          - "8.1"
 
         dependencies:
           - "locked"
@@ -313,7 +313,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "8.0"
+          - "8.1"
 
         dependencies:
           - "locked"
@@ -361,7 +361,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "8.0"
+          - "8.1"
 
         dependencies:
           - "locked"
@@ -418,7 +418,6 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "8.0"
           - "8.1"
           - "8.2"
 
diff --git a/.github/workflows/renew.yaml b/.github/workflows/renew.yaml
index a5855b78..851c810e 100644
--- a/.github/workflows/renew.yaml
+++ b/.github/workflows/renew.yaml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "8.0"
+          - "8.1"
 
         dependencies:
           - "locked"
diff --git a/.php-cs-fixer.fixture.php b/.php-cs-fixer.fixture.php
index d6760ead..9dc5e975 100644
--- a/.php-cs-fixer.fixture.php
+++ b/.php-cs-fixer.fixture.php
@@ -26,7 +26,7 @@
 
 $license->save();
 
-$config = PhpCsFixer\Config\Factory::fromRuleSet(new PhpCsFixer\Config\RuleSet\Php80($license->header()), [
+$config = PhpCsFixer\Config\Factory::fromRuleSet(new PhpCsFixer\Config\RuleSet\Php81($license->header()), [
     'mb_str_functions' => false,
     'psr_autoloading' => false,
 ]);
diff --git a/.php-cs-fixer.php b/.php-cs-fixer.php
index fed86ec2..42608feb 100644
--- a/.php-cs-fixer.php
+++ b/.php-cs-fixer.php
@@ -26,7 +26,7 @@
 
 $license->save();
 
-$config = PhpCsFixer\Config\Factory::fromRuleSet(new PhpCsFixer\Config\RuleSet\Php80($license->header()), [
+$config = PhpCsFixer\Config\Factory::fromRuleSet(new PhpCsFixer\Config\RuleSet\Php81($license->header()), [
     'mb_str_functions' => false,
 ]);
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6ed05625..88f7614a 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].
 
+### Changed
+
+- Dropped support for PHP 7.3 ([#1109]), by [@localheinz]
+
 ## [`1.4.0`][1.4.0]
 
 For a full diff see [`1.3.0...1.4.0`][1.3.0...1.4.0].
@@ -323,6 +327,7 @@ For a full diff see [`fa9c564...0.1.0`][fa9c564...0.1.0].
 [#947]: https://github.com/ergebnis/factory-bot/pull/947
 [#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
 
 [@abenerd]: https://github.com/abenerd
 [@localheinz]: https://github.com/localheinz
diff --git a/composer.json b/composer.json
index 4f6ff345..02b6067a 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
     "source": "https://github.com/ergebnis/factory-bot"
   },
   "require": {
-    "php": "~8.0.0 || ~8.1.0 || ~8.2.0",
+    "php": "~8.1.0 || ~8.2.0",
     "doctrine/annotations": "^1.10.3 || ^2.0.0",
     "doctrine/collections": "^1.6.5 || ^2.0.0",
     "doctrine/dbal": "^2.12.0 || ^3.0.0",
@@ -71,7 +71,7 @@
       "phpstan/extension-installer": true
     },
     "platform": {
-      "php": "8.0.25"
+      "php": "8.1.21"
     },
     "preferred-install": "dist",
     "sort-packages": true
diff --git a/composer.lock b/composer.lock
index bf2f3cb3..4ed7cf57 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": "3549fbc141719ca071d3721fe823562e",
+    "content-hash": "ea3b5f7446120ac708ffc603ec079db8",
     "packages": [
         {
             "name": "composer/package-versions-deprecated",
@@ -8004,13 +8004,13 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "~8.0.0 || ~8.1.0 || ~8.2.0"
+        "php": "~8.1.0 || ~8.2.0"
     },
     "platform-dev": {
         "ext-pdo_sqlite": "*"
     },
     "platform-overrides": {
-        "php": "8.0.25"
+        "php": "8.1.21"
     },
     "plugin-api-version": "2.3.0"
 }
diff --git a/rector.php b/rector.php
index e1f603fe..9b82379b 100644
--- a/rector.php
+++ b/rector.php
@@ -26,7 +26,7 @@
         __DIR__ . '/test/',
     ]);
 
-    $rectorConfig->phpVersion(Core\ValueObject\PhpVersion::PHP_80);
+    $rectorConfig->phpVersion(Core\ValueObject\PhpVersion::PHP_81);
 
     $rectorConfig->sets([
         PHPUnit\Set\PHPUnitSetList::PHPUNIT_91,