diff --git a/Block/CheckoutSuccess.php b/Block/CheckoutSuccess.php
index ec58556..8690799 100644
--- a/Block/CheckoutSuccess.php
+++ b/Block/CheckoutSuccess.php
@@ -19,18 +19,18 @@
 class CheckoutSuccess extends Template
 {
     /**
-     * @var \Magento\Checkout\Model\Session\Proxy
+     * @var \Magento\Checkout\Model\Session
      */
     private $session;
 
     /**
      * @param \Magento\Framework\View\Element\Template\Context $context
-     * @param \Magento\Checkout\Model\Session\Proxy $session
+     * @param \Magento\Checkout\Model\Session $session
      * @param array $data
      */
     public function __construct(
         \Magento\Framework\View\Element\Template\Context $context,
-        \Magento\Checkout\Model\Session\Proxy $session,
+        \Magento\Checkout\Model\Session $session,
         array $data
     ) {
         $this->session = $session;
diff --git a/Model/Feed.php b/Model/Feed.php
index 183b411..310928c 100644
--- a/Model/Feed.php
+++ b/Model/Feed.php
@@ -123,7 +123,9 @@ public function __construct(
      */
     public function generate($storeId = null)
     {
+        // phpcs:ignore Generic.PHP.NoSilencedErrors.Discouraged,Magento2.Functions.DiscouragedFunction.Discouraged
         @set_time_limit(0);
+        // phpcs:ignore Generic.PHP.NoSilencedErrors.Discouraged,Magento2.Functions.DiscouragedFunction.Discouraged
         @ini_set('memory_limit', '-1');
 
         if (empty($storeId) === true) {
@@ -210,6 +212,7 @@ private function generateForStore(\Magento\Store\Api\Data\StoreInterface $store)
      */
     public function getFeedFilename(\Magento\Store\Api\Data\StoreInterface $store)
     {
+        // phpcs:ignore Magento2.Security.InsecureFunction.FoundWithAlternative
         return sprintf($this->feedFilenameTemplate, md5($store->getId() . '#' . $store->getName() . '#' . $store->getCode()) . '-' . $store->getCode());
     }
 
diff --git a/Model/User.php b/Model/User.php
index d7192ee..0bee8c8 100644
--- a/Model/User.php
+++ b/Model/User.php
@@ -41,7 +41,7 @@ class User
     private $customerSession;
 
     /**
-     * @var \Magento\Checkout\Model\Session\Proxy
+     * @var \Magento\Checkout\Model\Session
      */
     private $checkoutSession;
 
@@ -66,16 +66,16 @@ class User
     private $scopeConfig;
 
     /**
-     * @param \Magento\Customer\Model\Session\Proxy $customerSession
-     * @param \Magento\Checkout\Model\Session\Proxy $checkoutSession
+     * @param \Magento\Customer\Model\Session $customerSession
+     * @param \Magento\Checkout\Model\Session $checkoutSession
      * @param \Magento\Customer\Api\GroupRepositoryInterface $groupRepository
      * @param \Magento\Sales\Api\OrderRepositoryInterface $orderRepository
      * @param \Magento\Framework\Api\SearchCriteriaBuilder $searchCriteriaBuilder
      * @param \Magento\Framework\App\Config\ScopeConfigInterface $scopeConfig
      */
     public function __construct(
-        \Magento\Customer\Model\Session\Proxy $customerSession,
-        \Magento\Checkout\Model\Session\Proxy $checkoutSession,
+        \Magento\Customer\Model\Session $customerSession,
+        \Magento\Checkout\Model\Session $checkoutSession,
         \Magento\Customer\Api\GroupRepositoryInterface $groupRepository,
         \Magento\Sales\Api\OrderRepositoryInterface $orderRepository,
         \Magento\Framework\Api\SearchCriteriaBuilder $searchCriteriaBuilder,
diff --git a/README.md b/README.md
index bd50b1b..e1491f6 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ We recommend to proceed with the following preparational steps before you start
 #### Installation with Composer (recommended)
 1.	In the root directory of your Magento 2 installation install the Recolize Recommendation Engine Extension via the following composer command:
     ```
-    composer require recolize/module-recommendation-engine-magento2
+    composer require --no-dev recolize/module-recommendation-engine-magento2
     ```
 
 2.	Afterwards activate the Magento 2 Extension with the following commands:
diff --git a/composer.json b/composer.json
index 62f5fdf..f2ffa54 100644
--- a/composer.json
+++ b/composer.json
@@ -31,5 +31,16 @@
     "psr-4": {
       "Recolize\\RecommendationEngine\\": ""
     }
+  },
+  "require-dev": {
+    "magento/magento-coding-standard": "^5.0"
+  },
+  "scripts": {
+    "post-install-cmd": [
+      "([ $COMPOSER_DEV_MODE -eq 0 ] || vendor/bin/phpcs --config-set installed_paths ../../magento/magento-coding-standard/)"
+    ],
+    "post-update-cmd": [
+      "([ $COMPOSER_DEV_MODE -eq 0 ] || vendor/bin/phpcs --config-set installed_paths ../../magento/magento-coding-standard/)"
+    ]
   }
 }
\ No newline at end of file