diff --git a/composer.json b/composer.json
index 70dc2f9..a68c2f8 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
     "type": "library",
     "require": {
         "php": "^8.1",
-        "doctrine/lexer": "^1.0.1"
+        "doctrine/lexer": "^1.0.1||^2.0"
     },
     "license": "proprietary",
     "authors": [
diff --git a/composer.lock b/composer.lock
index f6feaf7..c85103b 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,35 +4,84 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "c4307bca8d2467547020e7bdd99a18d3",
+    "content-hash": "20fe4164ceb5cace4b1c3a56413872d2",
     "packages": [
+        {
+            "name": "doctrine/deprecations",
+            "version": "v1.1.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/doctrine/deprecations.git",
+                "reference": "612a3ee5ab0d5dd97b7cf3874a6efe24325efac3"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/doctrine/deprecations/zipball/612a3ee5ab0d5dd97b7cf3874a6efe24325efac3",
+                "reference": "612a3ee5ab0d5dd97b7cf3874a6efe24325efac3",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1 || ^8.0"
+            },
+            "require-dev": {
+                "doctrine/coding-standard": "^9",
+                "phpstan/phpstan": "1.4.10 || 1.10.15",
+                "phpstan/phpstan-phpunit": "^1.0",
+                "phpunit/phpunit": "^7.5 || ^8.5 || ^9.5",
+                "psalm/plugin-phpunit": "0.18.4",
+                "psr/log": "^1 || ^2 || ^3",
+                "vimeo/psalm": "4.30.0 || 5.12.0"
+            },
+            "suggest": {
+                "psr/log": "Allows logging deprecations via PSR-3 logger implementation"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Doctrine\\Deprecations\\": "lib/Doctrine/Deprecations"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "A small layer on top of trigger_error(E_USER_DEPRECATED) or PSR-3 logging with options to disable all deprecations or selectively for packages.",
+            "homepage": "https://www.doctrine-project.org/",
+            "support": {
+                "issues": "https://github.com/doctrine/deprecations/issues",
+                "source": "https://github.com/doctrine/deprecations/tree/v1.1.1"
+            },
+            "time": "2023-06-03T09:27:29+00:00"
+        },
         {
             "name": "doctrine/lexer",
-            "version": "1.2.3",
+            "version": "2.1.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/lexer.git",
-                "reference": "c268e882d4dbdd85e36e4ad69e02dc284f89d229"
+                "reference": "39ab8fcf5a51ce4b85ca97c7a7d033eb12831124"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/lexer/zipball/c268e882d4dbdd85e36e4ad69e02dc284f89d229",
-                "reference": "c268e882d4dbdd85e36e4ad69e02dc284f89d229",
+                "url": "https://api.github.com/repos/doctrine/lexer/zipball/39ab8fcf5a51ce4b85ca97c7a7d033eb12831124",
+                "reference": "39ab8fcf5a51ce4b85ca97c7a7d033eb12831124",
                 "shasum": ""
             },
             "require": {
+                "doctrine/deprecations": "^1.0",
                 "php": "^7.1 || ^8.0"
             },
             "require-dev": {
-                "doctrine/coding-standard": "^9.0",
+                "doctrine/coding-standard": "^9 || ^10",
                 "phpstan/phpstan": "^1.3",
                 "phpunit/phpunit": "^7.5 || ^8.5 || ^9.5",
-                "vimeo/psalm": "^4.11"
+                "psalm/plugin-phpunit": "^0.18.3",
+                "vimeo/psalm": "^4.11 || ^5.0"
             },
             "type": "library",
             "autoload": {
                 "psr-4": {
-                    "Doctrine\\Common\\Lexer\\": "lib/Doctrine/Common/Lexer"
+                    "Doctrine\\Common\\Lexer\\": "src"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -64,7 +113,7 @@
             ],
             "support": {
                 "issues": "https://github.com/doctrine/lexer/issues",
-                "source": "https://github.com/doctrine/lexer/tree/1.2.3"
+                "source": "https://github.com/doctrine/lexer/tree/2.1.0"
             },
             "funding": [
                 {
@@ -80,7 +129,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-02-28T11:07:21+00:00"
+            "time": "2022-12-14T08:49:07+00:00"
         }
     ],
     "packages-dev": [
diff --git a/src/Parser.php b/src/Parser.php
index 2c9dce6..09b8548 100644
--- a/src/Parser.php
+++ b/src/Parser.php
@@ -54,10 +54,10 @@ private function treatCurrent(bool $isFirst): array
         $this->lexer->moveNext();
         $out = [];
         while ($this->lexer->token) {
-            switch ($this->lexer->token['type']) {
+            switch ($this->lexer->token->type) {
                 case Lexer::T_FIELD_NAME:
-                    $out[$this->lexer->token['value']] = true;
-                    $this->lastKey = $this->lexer->token['value'];
+                    $out[$this->lexer->token->value] = true;
+                    $this->lastKey = $this->lexer->token->value;
                     break;
 
                 case Lexer::T_FIELD_SEPARATOR: