diff --git a/composer.json b/composer.json
index d6dc943..cad4856 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,7 @@
         "doctrine/orm": "^2.13",
         "doctrine/persistence": "^2.0",
         "psr/container": "^1.1 || ^2.0",
-        "webonyx/graphql-php": "^14.11"
+        "webonyx/graphql-php": "^14.11 || ^15.0"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "@stable",
diff --git a/composer.lock b/composer.lock
index 66a76b6..9f1ea71 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": "d67248d1353154d79b7498750c5f5ca9",
+    "content-hash": "53a40afc9f8ca140f0b7f1a3eb8e1303",
     "packages": [
         {
             "name": "doctrine/cache",
@@ -1921,37 +1921,41 @@
         },
         {
             "name": "webonyx/graphql-php",
-            "version": "v14.11.8",
+            "version": "v15.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/webonyx/graphql-php.git",
-                "reference": "04a48693acd785330eefd3b0e4fa67df8dfee7c3"
+                "reference": "15fb39ba17faa332a2001aed5c1472117ec5abc3"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/webonyx/graphql-php/zipball/04a48693acd785330eefd3b0e4fa67df8dfee7c3",
-                "reference": "04a48693acd785330eefd3b0e4fa67df8dfee7c3",
+                "url": "https://api.github.com/repos/webonyx/graphql-php/zipball/15fb39ba17faa332a2001aed5c1472117ec5abc3",
+                "reference": "15fb39ba17faa332a2001aed5c1472117ec5abc3",
                 "shasum": ""
             },
             "require": {
                 "ext-json": "*",
                 "ext-mbstring": "*",
-                "php": "^7.1 || ^8"
+                "php": "^7.4 || ^8"
             },
             "require-dev": {
-                "amphp/amp": "^2.3",
-                "doctrine/coding-standard": "^6.0",
-                "nyholm/psr7": "^1.2",
+                "amphp/amp": "^2.6",
+                "dms/phpunit-arraysubset-asserts": "^0.4",
+                "ergebnis/composer-normalize": "^2.28",
+                "mll-lab/php-cs-fixer-config": "^4.4",
+                "nyholm/psr7": "^1.5",
                 "phpbench/phpbench": "^1.2",
-                "phpstan/extension-installer": "^1.0",
-                "phpstan/phpstan": "0.12.82",
-                "phpstan/phpstan-phpunit": "0.12.18",
-                "phpstan/phpstan-strict-rules": "0.12.9",
-                "phpunit/phpunit": "^7.2 || ^8.5",
-                "psr/http-message": "^1.0",
-                "react/promise": "2.*",
-                "simpod/php-coveralls-mirror": "^3.0",
-                "squizlabs/php_codesniffer": "3.5.4"
+                "phpstan/extension-installer": "^1.1",
+                "phpstan/phpstan": "1.9.8",
+                "phpstan/phpstan-phpunit": "1.3.3",
+                "phpstan/phpstan-strict-rules": "1.4.4",
+                "phpunit/phpunit": "^9.5",
+                "psr/http-message": "^1",
+                "react/http": "^1.6",
+                "react/promise": "^2.9",
+                "symfony/polyfill-php81": "^1.23",
+                "symfony/var-exporter": "^5 || ^6",
+                "thecodingmachine/safe": "^1.3"
             },
             "suggest": {
                 "psr/http-message": "To use standard GraphQL server",
@@ -1975,7 +1979,7 @@
             ],
             "support": {
                 "issues": "https://github.com/webonyx/graphql-php/issues",
-                "source": "https://github.com/webonyx/graphql-php/tree/v14.11.8"
+                "source": "https://github.com/webonyx/graphql-php/tree/v15.0.1"
             },
             "funding": [
                 {
@@ -1983,7 +1987,7 @@
                     "type": "open_collective"
                 }
             ],
-            "time": "2022-09-21T15:35:03+00:00"
+            "time": "2023-01-11T14:57:18+00:00"
         }
     ],
     "packages-dev": [