diff --git a/README.md b/README.md
index da32c47..b1b010f 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 [![Build Status](https://api.travis-ci.org/dereuromark/cakephp-shim.svg?branch=master)](https://travis-ci.org/dereuromark/cakephp-shim)
 [![Coverage Status](https://coveralls.io/repos/dereuromark/cakephp-shim/badge.svg)](https://coveralls.io/r/dereuromark/cakephp-shim)
 [![Latest Stable Version](https://poser.pugx.org/dereuromark/cakephp-shim/v/stable.svg)](https://packagist.org/packages/dereuromark/cakephp-shim)
-[![Minimum PHP Version](http://img.shields.io/badge/php-%3E%3D%205.5-8892BF.svg)](https://php.net/)
+[![Minimum PHP Version](http://img.shields.io/badge/php-%3E%3D%205.6-8892BF.svg)](https://php.net/)
 [![License](https://poser.pugx.org/dereuromark/cakephp-shim/license.svg)](https://packagist.org/packages/dereuromark/cakephp-shim)
 [![Total Downloads](https://poser.pugx.org/dereuromark/cakephp-shim/d/total.svg)](https://packagist.org/packages/dereuromark/cakephp-shim)
 [![Coding Standards](https://img.shields.io/badge/cs-PSR--2--R-yellow.svg)](https://github.com/php-fig-rectified/fig-rectified-standards)
@@ -17,7 +17,7 @@ This is mainly useful when upgrading large applications to the next major framew
 Tons of code needs to be adjusted, using this Shim plugin quite a few lines less need to be touched.
 Especially the ORM layer, which would need heavy refactoring, requires a lot less changes to get things working againc.
 
-**This plugin requires CakePHP 3.0+.**
+**This plugin requires CakePHP 3.x.**
 
 ## Installation
 Please see [SETUP.md](docs/SETUP.md)
diff --git a/composer.json b/composer.json
index b6bfea7..e1d66e3 100644
--- a/composer.json
+++ b/composer.json
@@ -13,8 +13,8 @@
 		}
 	],
 	"require": {
-		"php": ">=5.5",
-		"cakephp/cakephp": "^3.0"
+		"php": ">=5.6",
+		"cakephp/cakephp": "^3.4"
 	},
 	"require-dev": {
 		"fig-r/psr2r-sniffer": "dev-master"
diff --git a/src/Model/Table/Table.php b/src/Model/Table/Table.php
index 2525d26..51a0311 100644
--- a/src/Model/Table/Table.php
+++ b/src/Model/Table/Table.php
@@ -185,6 +185,14 @@ public function validationDefault(Validator $validator) {
 				}
 
 				foreach ((array)$rules as $key => $rule) {
+					if (is_string($rule)) {
+						$ruleArray = ['rule' => $rule];
+						$rules[$rule] = $ruleArray;
+						unset($rules[$key]);
+						$key = $rule;
+						$rule = $ruleArray;
+					}
+
 					if (isset($rule['required'])) {
 						$validator->requirePresence($field, $rule['required']);
 						unset($rules[$key]['required']);
@@ -205,10 +213,6 @@ public function validationDefault(Validator $validator) {
 						$rules[$key]['message'] = $message;
 					}
 
-					if (is_string($rule)) {
-						$rules[$key] = ['rule' => $rule];
-					}
-
 					if (!empty($rules[$key]['rule']) && ($rules[$key]['rule'] === 'notEmpty' || $rules[$key]['rule'] === ['notEmpty'])) {
 						$rules[$key]['rule'] = 'notBlank';
 					}
diff --git a/src/View/Helper/CookieHelper.php b/src/View/Helper/CookieHelper.php
index 8c77e18..f219d30 100644
--- a/src/View/Helper/CookieHelper.php
+++ b/src/View/Helper/CookieHelper.php
@@ -9,16 +9,31 @@
  */
 class CookieHelper extends Helper {
 
+	/**
+	 * Return all cookie names available.
+	 *
+	 * @return array
+	 */
+	public function getCookies() {
+		$cookies = $this->request->getCookieParams();
+		if (!$cookies) {
+			return [];
+		}
+
+		return array_keys($cookies);
+	}
+
 	/**
 	 * Reads a cookie value for a key or return values for all keys.
 	 *
 	 * In your view: `$this->Cookie->read('key');`
 	 *
-	 * @param string|null $name the name of the cookie key you want to read
-	 * @return mixed values from the cookie vars
+	 * @param string|null $key The name of the cookie key you want to read
+	 * @param string|null $default
+	 * @return mixed Values from the cookie vars
 	 */
-	public function read($name = null) {
-		return $this->request->cookie($name);
+	public function read($key = null, $default = null) {
+		return $this->request->getCookie($key, $default);
 	}
 
 	/**
@@ -26,11 +41,11 @@ public function read($name = null) {
 	 *
 	 * In your view: `$this->Cookie->check('key');`
 	 *
-	 * @param string $name Cookie name to check.
+	 * @param string $key Cookie name to check.
 	 * @return bool
 	 */
-	public function check($name) {
-		return $this->request->cookie($name) !== null;
+	public function check($key) {
+		return $this->request->getCookie($key) !== null;
 	}
 
 	/**
diff --git a/tests/TestCase/Model/Table/TableTest.php b/tests/TestCase/Model/Table/TableTest.php
index 6d3b51c..c1cf704 100644
--- a/tests/TestCase/Model/Table/TableTest.php
+++ b/tests/TestCase/Model/Table/TableTest.php
@@ -442,6 +442,18 @@ public function testValidationShims() {
 		$wheel = $this->Wheels->newEntity(['position' => 'rear left']);
 		$result = $this->Wheels->save($wheel);
 		$this->assertTrue((bool)$result);
+
+		$wheel = $this->Wheels->newEntity(['position' => 'rear left', 'car_id' => 'a']);
+		$expected = [
+			'car_id' => [
+				'numeric' => 'The provided value is invalid'
+			],
+		];
+		$this->assertSame($expected, $wheel->errors());
+
+		$wheel = $this->Wheels->newEntity(['position' => 'rear left', 'car_id' => '1']);
+		$result = $this->Wheels->save($wheel);
+		$this->assertTrue((bool)$result);
 	}
 
 	/**
diff --git a/tests/TestCase/View/Helper/CookieHelperTest.php b/tests/TestCase/View/Helper/CookieHelperTest.php
index 5337b63..f25466e 100644
--- a/tests/TestCase/View/Helper/CookieHelperTest.php
+++ b/tests/TestCase/View/Helper/CookieHelperTest.php
@@ -21,7 +21,7 @@ public function setUp() {
 		parent::setUp();
 
 		$this->Cookie = new CookieHelper(new View(null));
-		$this->Cookie->request = $this->getMockBuilder(Request::class)->setMethods(['cookie'])->getMock();
+		$this->Cookie->request = $this->getMockBuilder(Request::class)->setMethods(['getCookie', 'getCookieParams'])->getMock();
 	}
 
 	/**
@@ -34,12 +34,14 @@ public function tearDown() {
 	}
 
 	/**
-	 * CookieHelperTest::testObject()
-	 *
 	 * @return void
 	 */
-	public function testObject() {
-		$this->assertInstanceOf(CookieHelper::class, $this->Cookie);
+	public function testGetChookies() {
+		$this->Cookie->request->expects($this->at(0))
+			->method('getCookieParams')
+			->will($this->returnValue(['one' => 1, 'two' => 2]));
+
+		$this->assertSame(['one', 'two'], $this->Cookie->getCookies());
 	}
 
 	/**
@@ -49,10 +51,10 @@ public function testObject() {
 	 */
 	public function testCheck() {
 		$this->Cookie->request->expects($this->at(0))
-			->method('cookie')
+			->method('getCookie')
 			->will($this->returnValue(null));
 		$this->Cookie->request->expects($this->at(1))
-			->method('cookie')
+			->method('getCookie')
 			->will($this->returnValue('val'));
 
 		$this->assertFalse($this->Cookie->check('Foo.key'));
@@ -66,7 +68,7 @@ public function testCheck() {
 	 */
 	public function testRead() {
 		$this->Cookie->request->expects($this->once())
-			->method('cookie')
+			->method('getCookie')
 			->will($this->returnValue('val'));
 
 		$output = $this->Cookie->read('Foo.key');
diff --git a/tests/test_app/src/Model/Table/WheelsTable.php b/tests/test_app/src/Model/Table/WheelsTable.php
index 1b06a7b..9a903a0 100644
--- a/tests/test_app/src/Model/Table/WheelsTable.php
+++ b/tests/test_app/src/Model/Table/WheelsTable.php
@@ -30,6 +30,9 @@ class WheelsTable extends Table {
 	 * @var array
 	 */
 	public $validate = [
+		'car_id' => [
+			'numeric',
+		],
 		'position' => [
 			'notBlank' => [
 				'rule' => 'notEmpty', // old way of notBlank