diff --git a/composer.json b/composer.json
index cdef6b6..91e174b 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
     "ext-curl": "*"
   },
   "require-dev": {
-    "phpstan/phpstan": "2.1.20",
+    "phpstan/phpstan": "2.1.21",
     "phpunit/phpunit": "11.5.21",
     "rector/rector": "2.1.2",
     "symfony/http-client": "7.3.1",
diff --git a/composer.lock b/composer.lock
index a60586a..3fe537e 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": "02011d884aeef1cf83048b456459654c",
+    "content-hash": "659b96269cc10e6cd793684366565e5f",
     "packages": [],
     "packages-dev": [
         {
@@ -1330,16 +1330,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "2.1.20",
+            "version": "2.1.21",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "a9ccfef95210f92ba6feea6e8d1eef42b5605499"
+                "reference": "1ccf445757458c06a04eb3f803603cb118fe5fa6"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/a9ccfef95210f92ba6feea6e8d1eef42b5605499",
-                "reference": "a9ccfef95210f92ba6feea6e8d1eef42b5605499",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/1ccf445757458c06a04eb3f803603cb118fe5fa6",
+                "reference": "1ccf445757458c06a04eb3f803603cb118fe5fa6",
                 "shasum": ""
             },
             "require": {
@@ -1384,7 +1384,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2025-07-26T20:45:26+00:00"
+            "time": "2025-07-28T19:35:08+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",