diff --git a/CHANGELOG.md b/CHANGELOG.md
index fc868d1..03f6a6c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,9 +1,10 @@
 CHANGELOG
 =========
-1.0.2
------
+1.0.2 (2018-06-29)
+------------------
 * Fixed the bug #23: "Unable to parse ArrayTables that contain Tables".
 * A new class `KeyStore` has been added to deal with the logic of the keys (keys, tables and array of tables).
+* Package `yosymfony/parser-utils` has been updated to 2.0.0.
 
 1.0.1 (2018-02-05)
 ------------------
diff --git a/README.md b/README.md
index 84512ba..9cd9656 100644
--- a/README.md
+++ b/README.md
@@ -166,13 +166,6 @@ Unit tests
 ----------
 You can run the unit tests with the following command:
 
-```bash
-$ cd toml
-$ phpunit
-```
-
-or
-
 ```bash
 $ cd toml
 $ composer test
diff --git a/composer.json b/composer.json
index 1ba4992..da8c5e2 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
     ],
     "require": {
         "php": ">=7.1",
-        "yosymfony/parser-utils": "^1.0"
+        "yosymfony/parser-utils": "^2.0"
     },
     "require-dev": {
        "phpunit/phpunit": "^7.1"
diff --git a/composer.lock b/composer.lock
index 46af5c9..f0330e7 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,29 +4,32 @@
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             "name": "yosymfony/parser-utils",
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+            "version": "v2.0.0",
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                 "url": "https://github.com/yosymfony/parser-utils.git",
-                "reference": "5376469d996a8f09139c0c795048b1140d143281"
+                "reference": "00bec9a12722b21f2baf7f9db35f127e90c162c9"
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             },
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+            "require-dev": {
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+            },
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+                    "dev-master": "2.0-dev"
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@@ -51,7 +54,7 @@
                 "lexer",
                 "parser"
             ],
-            "time": "2017-11-18T22:30:41+00:00"
+            "time": "2018-06-29T15:31:11+00:00"
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@@ -111,25 +114,28 @@
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-                "reference": "3b8a3a99ba1f6a3952ac2747d989303cbd6b7a3e"
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-                "reference": "3b8a3a99ba1f6a3952ac2747d989303cbd6b7a3e",
+                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/3e01bdad3e18354c3dce54466b7fbe33a9f9f7f8",
+                "reference": "3e01bdad3e18354c3dce54466b7fbe33a9f9f7f8",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.6 || ^7.0"
+                "php": "^7.1"
+            },
+            "replace": {
+                "myclabs/deep-copy": "self.version"
             },
             "require-dev": {
                 "doctrine/collections": "^1.0",
                 "doctrine/common": "^2.6",
-                "phpunit/phpunit": "^4.1"
+                "phpunit/phpunit": "^7.1"
             },
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             "autoload": {
@@ -152,7 +158,7 @@
                 "object",
                 "object graph"
             ],
-            "time": "2017-10-19T19:58:43+00:00"
+            "time": "2018-06-11T23:09:50+00:00"
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@@ -473,23 +479,23 @@
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+            "version": "6.0.7",
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-                "reference": "4cab20a326d14de7575a8e235c70d879b569a57a"
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-                "reference": "4cab20a326d14de7575a8e235c70d879b569a57a",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/865662550c384bc1db7e51d29aeda1c2c161d69a",
+                "reference": "865662550c384bc1db7e51d29aeda1c2c161d69a",
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             "require": {
                 "ext-dom": "*",
                 "ext-xmlwriter": "*",
                 "php": "^7.1",
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+                "phpunit/php-file-iterator": "^2.0",
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@@ -532,29 +538,29 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2018-05-28T11:49:20+00:00"
+            "time": "2018-06-01T07:51:50+00:00"
         },
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-            "version": "1.4.5",
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-                "reference": "730b01bc3e867237eaac355e06a36b85dd93a8b4",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-file-iterator/zipball/cecbc684605bb0cc288828eb5d65d93d5c676d3c",
+                "reference": "cecbc684605bb0cc288828eb5d65d93d5c676d3c",
                 "shasum": ""
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             "require": {
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+                "php": "^7.1"
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-                    "dev-master": "1.4.x-dev"
+                    "dev-master": "2.0.x-dev"
                 }
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             "autoload": {
@@ -569,7 +575,7 @@
             "authors": [
                 {
                     "name": "Sebastian Bergmann",
-                    "email": "sb@sebastian-bergmann.de",
+                    "email": "sebastian@phpunit.de",
                     "role": "lead"
                 }
             ],
@@ -579,7 +585,7 @@
                 "filesystem",
                 "iterator"
             ],
-            "time": "2017-11-27T13:52:08+00:00"
+            "time": "2018-06-11T11:44:00+00:00"
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         {
             "name": "phpunit/php-text-template",
@@ -722,34 +728,34 @@
         },
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                 "ext-mbstring": "*",
                 "ext-xml": "*",
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+                "myclabs/deep-copy": "^1.7",
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                 "php": "^7.1",
                 "phpspec/prophecy": "^1.7",
-                "phpunit/php-code-coverage": "^6.0.1",
-                "phpunit/php-file-iterator": "^1.4.3",
+                "phpunit/php-code-coverage": "^6.0.7",
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                 "phpunit/php-timer": "^2.0",
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                 "sebastian/comparator": "^3.0",
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@@ -759,10 +765,14 @@
                 "sebastian/resource-operations": "^1.0",
                 "sebastian/version": "^2.0.1"
             },
+            "conflict": {
+                "phpunit/phpunit-mock-objects": "*"
+            },
             "require-dev": {
                 "ext-pdo": "*"
             },
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+                "ext-soap": "*",
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@@ -772,7 +782,7 @@
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@@ -798,63 +808,7 @@
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-            "license": [
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-                    "email": "sebastian@phpunit.de",
-                    "role": "lead"
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-            "homepage": "https://github.com/sebastianbergmann/phpunit-mock-objects/",
-            "keywords": [
-                "mock",
-                "xunit"
-            ],
-            "time": "2018-04-11T04:50:36+00:00"
+            "time": "2018-06-21T13:13:39+00:00"
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             "name": "sebastian/code-unit-reverse-lookup",
@@ -903,16 +857,16 @@
         },
         {
             "name": "sebastian/comparator",
-            "version": "3.0.0",
+            "version": "3.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/comparator.git",
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@@ -963,20 +917,20 @@
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-            "time": "2018-04-18T13:33:00+00:00"
+            "time": "2018-06-14T15:05:28+00:00"
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+            "version": "3.0.1",
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@@ -1019,7 +973,7 @@
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diff --git a/src/Parser.php b/src/Parser.php
index 083be3b..bc3b713 100644
--- a/src/Parser.php
+++ b/src/Parser.php
@@ -57,7 +57,7 @@ public function parse(string $input)
     /**
      * {@inheritdoc}
      */
-    protected function parseImplentation(TokenStream $ts) : array
+    protected function parseImplementation(TokenStream $ts) : array
     {
         $this->keyStore = new KeyStore();
         $this->resetWorkArrayToResultArray();