diff --git a/composer.json b/composer.json
index 4cf371a..377cbf8 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
         "pestphp/pest-plugin-faker": "1.0.0",
         "loophp/phpunit-iterable-assertions": "1.0.3",
         "doctrine/collections": "2.0.1",
-        "phpstan/phpstan": "1.7.3",
+        "phpstan/phpstan": "1.9.2",
         "phpmd/phpmd": "2.12.0"
     },
     "config": {
diff --git a/composer.lock b/composer.lock
index 97c4e0f..6159688 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": "2992d2c4a0cb26eb25e654b5843ef4ed",
+    "content-hash": "bbd4f715723d14b028e56faac5941bdd",
     "packages": [
         {
             "name": "brick/math",
@@ -2096,16 +2096,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "1.7.3",
+            "version": "1.9.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "48c4621b1a6dde32aab2e9a79658b843ffb614f7"
+                "reference": "d6fdf01c53978b6429f1393ba4afeca39cc68afa"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/48c4621b1a6dde32aab2e9a79658b843ffb614f7",
-                "reference": "48c4621b1a6dde32aab2e9a79658b843ffb614f7",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/d6fdf01c53978b6429f1393ba4afeca39cc68afa",
+                "reference": "d6fdf01c53978b6429f1393ba4afeca39cc68afa",
                 "shasum": ""
             },
             "require": {
@@ -2129,9 +2129,13 @@
                 "MIT"
             ],
             "description": "PHPStan - PHP Static Analysis Tool",
+            "keywords": [
+                "dev",
+                "static analysis"
+            ],
             "support": {
                 "issues": "https://github.com/phpstan/phpstan/issues",
-                "source": "https://github.com/phpstan/phpstan/tree/1.7.3"
+                "source": "https://github.com/phpstan/phpstan/tree/1.9.2"
             },
             "funding": [
                 {
@@ -2142,16 +2146,12 @@
                     "url": "https://github.com/phpstan",
                     "type": "github"
                 },
-                {
-                    "url": "https://www.patreon.com/phpstan",
-                    "type": "patreon"
-                },
                 {
                     "url": "https://tidelift.com/funding/github/packagist/phpstan/phpstan",
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-05-29T11:36:09+00:00"
+            "time": "2022-11-10T09:56:11+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",