diff --git a/tools/phpstan/composer.lock b/tools/phpstan/composer.lock
index 99a5babc..0a5c8713 100644
--- a/tools/phpstan/composer.lock
+++ b/tools/phpstan/composer.lock
@@ -59,11 +59,11 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "2.2.12",
+            "version": "2.3.1",
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/174b0d88710f00a42598886504dd7a146f91ace5",
-                "reference": "174b0d88710f00a42598886504dd7a146f91ace5",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/6155239b488e95d26d1ebd95c6b4bb294d7f09db",
+                "reference": "6155239b488e95d26d1ebd95c6b4bb294d7f09db",
                 "shasum": ""
             },
             "require": {
@@ -119,7 +119,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2026-08-31T19:09:43+00:00"
+            "time": "2026-10-08T21:09:11+00:00"
         },
         {
             "name": "phpstan/phpstan-phpunit",