diff --git a/composer.json b/composer.json
index 7961ef9..51dafa1 100644
--- a/composer.json
+++ b/composer.json
@@ -12,13 +12,13 @@
     ],
     "require": {
         "php": ">=5.6",
-        "cakephp/cakephp": "^3.4.0"
+        "cakephp/cakephp": "^3.7.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "6.*",
-        "cakephp/cakephp-codesniffer" : "dev-master",
-        "phpro/grumphp": "^0.11.3",
-        "jakub-onderka/php-parallel-lint": "^0.9.2"
+        "phpunit/phpunit": "^6.0",
+        "cakephp/cakephp-codesniffer" : "^3",
+        "jakub-onderka/php-parallel-lint": "^1.0",
+        "phpro/grumphp": "^0.15"
     },
 
     "autoload": {
@@ -33,5 +33,15 @@
         }
     },
 
-    "minimum-stability": "beta"
+    "scripts": {
+        "post-install-cmd": [
+            "if [ $COMPOSER_DEV_MODE -eq 1 ]; then phpcs --config-set installed_paths vendor/cakephp/cakephp-codesniffer; fi"
+        ],
+        "post-update-cmd": [
+            "if [ $COMPOSER_DEV_MODE -eq 1 ]; then phpcs --config-set installed_paths vendor/cakephp/cakephp-codesniffer; fi"
+        ],
+        "csfix": "phpcbf --standard=CakePHP --encoding=UTF-8 --report=full--colors --extensions=php src/ InterfaceAdmin/ InterfaceReseller/ InterfaceUser/"
+    },
+
+    "minimum-stability": "stable"
 }
diff --git a/config/Migrations/20190708113200_BinaryId.php b/config/Migrations/20190708113200_BinaryId.php
new file mode 100644
index 0000000..809828c
--- /dev/null
+++ b/config/Migrations/20190708113200_BinaryId.php
@@ -0,0 +1,21 @@
+<?php
+
+use Migrations\AbstractMigration;
+use Phinx\Db\Adapter\MysqlAdapter;
+
+class BinaryId extends AbstractMigration
+{
+    public function up()
+    {
+        $table = $this->table('token_tokens');
+
+        $table
+            ->alterColumn('id', 'string', ['limit' => 8, 'collation' => 'utf8_bin'])
+            ->save();
+    }
+
+    public function down()
+    {
+        $table = $this->table('token_tokens');
+    }
+}
diff --git a/grumphp.yml b/grumphp.yml
index 3cc477f..fdcbbb7 100644
--- a/grumphp.yml
+++ b/grumphp.yml
@@ -7,8 +7,8 @@ parameters:
     tasks:
         phplint: ~
         phpcs:
+            report: full
             standard: CakePHP
             encoding: UTF-8
-            show_warnings: false
             whitelist_patterns:
-                - /^src\/(.*)/
+                - /^src\/(.*\.php)/
diff --git a/src/Model/Table/TokensTable.php b/src/Model/Table/TokensTable.php
index e2bf377..72a1fbc 100644
--- a/src/Model/Table/TokensTable.php
+++ b/src/Model/Table/TokensTable.php
@@ -4,7 +4,7 @@
 use Cake\Chronos\Chronos;
 use Cake\Database\Schema\TableSchema;
 use Cake\ORM\Table;
-use Cake\Utility\Text;
+use Cake\Utility\Security;
 
 class TokensTable extends Table
 {
@@ -13,7 +13,7 @@ class TokensTable extends Table
      */
     protected function _initializeSchema(TableSchema $schema)
     {
-        $schema->columnType('content', 'json');
+        $schema->setColumnType('content', 'json');
 
         return $schema;
     }
@@ -24,10 +24,10 @@ protected function _initializeSchema(TableSchema $schema)
     public function initialize(array $config)
     {
         parent::initialize($config);
-        $this->setTable('token_tokens');
-        $this->setPrimaryKey('id');
 
-        $this->addBehavior('Timestamp');
+        $this->setTable('token_tokens')
+            ->setPrimaryKey('id')
+            ->addBehavior('Timestamp');
     }
 
     /**
@@ -56,7 +56,7 @@ public function read($id)
     public function newToken(array $content = [], $expire = null)
     {
         $entity = $this->newEntity([
-            'id' => $this->uniqId(),
+            'id' => $this->_uniqId(),
             'content' => $content,
             'expire' => is_null($expire) ? Chronos::parse('+1 day') : Chronos::parse($expire),
         ]);
@@ -70,25 +70,24 @@ public function newToken(array $content = [], $expire = null)
      * generate uniq token id
      * @return string
      */
-    protected function uniqId()
+    protected function _uniqId()
     {
         $exists = true;
 
-        while ($exists) {
-            $key = $this->generateKey();
-            $exists = $this->find()->where(['id' => $key])->first();
-        }
+        $length = 8;
 
-        return $key;
-    }
+        do {
+            // generate random
+            $random = base64_encode(Security::randomBytes($length * 4));
 
-    /**
-     * generate random key
-     * @return string  8 chars key
-     */
-    protected function generateKey()
-    {
-        return substr(hash('sha256', Text::uuid()), 0, 8);
+            // cleanup
+            $clean = preg_replace('/[^A-Za-z0-9]/', '', $random);
+
+            // random part length
+            $key = substr($clean, random_int(1, $length * 2), $length);
+        } while ($this->exists(['id' => $key]));
+
+        return $key;
     }
 
     /**
diff --git a/tests/TestCase/Model/Table/TokensTableTest.php b/tests/TestCase/Model/Table/TokensTableTest.php
index b44fae6..79dbacb 100644
--- a/tests/TestCase/Model/Table/TokensTableTest.php
+++ b/tests/TestCase/Model/Table/TokensTableTest.php
@@ -24,7 +24,7 @@ class TokensTableTest extends TestCase
      * @var array
      */
     public $fixtures = [
-        'plugin.token.tokens',
+        'plugin.Token.Tokens',
     ];
 
     /**
@@ -64,6 +64,12 @@ public function testReadExists()
         $this->assertSame('abcde123', $entity->id);
     }
 
+    public function testReadExistsBInary()
+    {
+        $entity = $this->Tokens->read('abcdE123');
+        $this->assertNull($entity);
+    }
+
     public function testReadContent()
     {
         $entity = $this->Tokens->read('abcde789');
diff --git a/tests/TestCase/TokenTest.php b/tests/TestCase/TokenTest.php
index f5619b6..5fc226f 100644
--- a/tests/TestCase/TokenTest.php
+++ b/tests/TestCase/TokenTest.php
@@ -15,7 +15,7 @@ class TokenTest extends TestCase
      * @var array
      */
     public $fixtures = [
-        'plugin.token.tokens',
+        'plugin.Token.Tokens',
     ];
 
     public function testReadExpired()
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index de0059f..0d54675 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -46,7 +46,7 @@
     'wwwRoot' => WWW_ROOT
 ]);
 
-Cache::config([
+Cache::setConfig([
     'default' => [
         'className' => 'File',
         'path' => CACHE,
@@ -74,7 +74,7 @@
 
 Configure::write('debug', true);
 
-ConnectionManager::config([
+ConnectionManager::setConfig([
     'test' => [
         'className' => 'Cake\Database\Connection',
         'driver' => 'Cake\Database\Driver\Sqlite',