diff --git a/composer.json b/composer.json
index 1e0a1b1d7d..c6889cde92 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
         "ext-curl": "*",
         "friendsofphp/php-cs-fixer": "^3.95.27",
         "phpstan/extension-installer": "^1.4",
-        "phpstan/phpstan": "^2.2",
+        "phpstan/phpstan": "^2.3",
         "phpstan/phpstan-phpunit": "^2.0",
         "phpunit/phpunit": "^11.5.50"
     },
diff --git a/composer.lock b/composer.lock
index 901832398a..46cdc99048 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": "f934b603d2a07d21ff73d9f9dae1fcee",
+    "content-hash": "919fb83a8587fdcac98fc5526f161596",
     "packages": [],
     "packages-dev": [
         {
@@ -858,11 +858,11 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "2.2.17",
+            "version": "2.3.1",
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/e676a49fa70cee9f5bf6ff4796186b928a08673f",
-                "reference": "e676a49fa70cee9f5bf6ff4796186b928a08673f",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/6155239b488e95d26d1ebd95c6b4bb294d7f09db",
+                "reference": "6155239b488e95d26d1ebd95c6b4bb294d7f09db",
                 "shasum": ""
             },
             "require": {
@@ -918,7 +918,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2026-10-04T19:40:09+00:00"
+            "time": "2026-10-08T21:09:11+00:00"
         },
         {
             "name": "phpstan/phpstan-phpunit",