diff --git a/composer.json b/composer.json
index fbbfba603..b313b4d2d 100644
--- a/composer.json
+++ b/composer.json
@@ -33,6 +33,7 @@
         "friendsofphp/php-cs-fixer": "^3.0",
         "php-parallel-lint/php-parallel-lint": "^1.0",
         "phpstan/phpstan": "^2.0",
+        "phpstan/phpstan-deprecation-rules": "^2.0",
         "symfony/phpunit-bridge": "^7.0"
     },
     "license": "GPL-3.0",
diff --git a/composer.lock b/composer.lock
index c56f2e395..8ce2a2ec6 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": "1b6dc5baa8ceb193a77d70730d4ee68f",
+    "content-hash": "c6379e20ca1bebc6474e12633f775688",
     "packages": [
         {
             "name": "bcosca/fatfree-core",
@@ -4226,6 +4226,53 @@
             ],
             "time": "2024-11-17T14:17:00+00:00"
         },
+        {
+            "name": "phpstan/phpstan-deprecation-rules",
+            "version": "2.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpstan/phpstan-deprecation-rules.git",
+                "reference": "81833b5787e2e8f451b31218875e29e4ed600ab2"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpstan/phpstan-deprecation-rules/zipball/81833b5787e2e8f451b31218875e29e4ed600ab2",
+                "reference": "81833b5787e2e8f451b31218875e29e4ed600ab2",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.4 || ^8.0",
+                "phpstan/phpstan": "^2.0"
+            },
+            "require-dev": {
+                "php-parallel-lint/php-parallel-lint": "^1.2",
+                "phpstan/phpstan-phpunit": "^2.0",
+                "phpunit/phpunit": "^9.6"
+            },
+            "type": "phpstan-extension",
+            "extra": {
+                "phpstan": {
+                    "includes": [
+                        "rules.neon"
+                    ]
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "PHPStan\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "PHPStan rules for detecting usage of deprecated classes, methods, properties, constants and traits.",
+            "support": {
+                "issues": "https://github.com/phpstan/phpstan-deprecation-rules/issues",
+                "source": "https://github.com/phpstan/phpstan-deprecation-rules/tree/2.0.0"
+            },
+            "time": "2024-10-26T16:04:11+00:00"
+        },
         {
             "name": "psr/event-dispatcher",
             "version": "1.0.0",
diff --git a/phpstan.neon b/phpstan.neon
index 7341144d0..e368a6c72 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -27,3 +27,6 @@ parameters:
     typeAliases:
         SpoutParameterInfo: 'array{title: string, type: spouts\Parameter::TYPE_*, default: string, required: bool, validation: array<spouts\Parameter::VALIDATION_*>, values?: array<string, string>}'
         SpoutParameters: 'array<string, SpoutParameterInfo>'
+
+includes:
+    - vendor/phpstan/phpstan-deprecation-rules/rules.neon