diff --git a/composer.json b/composer.json
index 375e4a9..5c1455a 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,7 @@
     },
     "require-dev": {
         "phpstan/phpstan": "^1.10",
-        "phpro/grumphp-shim": "^1.5",
+        "phpro/grumphp-shim": "^2.9",
         "squizlabs/php_codesniffer": "^3.7",
         "thecodingmachine/phpstan-safe-rule": "^1.2",
         "phpstan/extension-installer": "^1.3",
diff --git a/composer.lock b/composer.lock
index 23a1cf7..84bc5f3 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": "e16c9bf27f5cc75ff14d247805dfe340",
+    "content-hash": "3ddff406e3199e63d51594b4e023ce1a",
     "packages": [
         {
             "name": "azjezz/psl",
@@ -2449,22 +2449,22 @@
         },
         {
             "name": "phpro/grumphp-shim",
-            "version": "v1.16.0",
+            "version": "v2.9.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpro/grumphp-shim.git",
-                "reference": "98f7d27631785b48270af88e33abcc591ae022fc"
+                "reference": "25a10df0001f4887e1028448c501b9de2cc29239"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpro/grumphp-shim/zipball/98f7d27631785b48270af88e33abcc591ae022fc",
-                "reference": "98f7d27631785b48270af88e33abcc591ae022fc",
+                "url": "https://api.github.com/repos/phpro/grumphp-shim/zipball/25a10df0001f4887e1028448c501b9de2cc29239",
+                "reference": "25a10df0001f4887e1028448c501b9de2cc29239",
                 "shasum": ""
             },
             "require": {
                 "composer-plugin-api": "~2.0",
                 "ext-json": "*",
-                "php": "^8.0"
+                "php": "~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0"
             },
             "replace": {
                 "phpro/grumphp": "self.version"
@@ -2502,9 +2502,9 @@
             "description": "GrumPHP Phar distribution",
             "support": {
                 "issues": "https://github.com/phpro/grumphp-shim/issues",
-                "source": "https://github.com/phpro/grumphp-shim/tree/v1.16.0"
+                "source": "https://github.com/phpro/grumphp-shim/tree/v2.9.0"
             },
-            "time": "2023-04-27T11:06:59+00:00"
+            "time": "2024-10-25T10:14:23+00:00"
         },
         {
             "name": "phpstan/extension-installer",
@@ -4239,13 +4239,13 @@
     ],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": {},
+    "stability-flags": [],
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
         "ext-openssl": "*"
     },
-    "platform-dev": {},
+    "platform-dev": [],
     "platform-overrides": {
         "php": "8.4"
     },