diff --git a/.travis.yml b/.travis.yml
index 7834b1416..437d5933f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,8 @@
 language: php
 
 php:
-  - 7.1
   - 7.2
+  - 7.3
 
 sudo: false
 
@@ -13,7 +13,7 @@ services:
 
 env:
   matrix:
-    - SHOPWARE_VERSION="5.5"
+    - SHOPWARE_VERSION="5.6"
 
   global:
     - PLUGIN_NAME=PlentyConnector
@@ -39,4 +39,4 @@ before_script:
 
 script:
   - composer cs-travis
-  - composer test-travis
\ No newline at end of file
+  - composer test-travis
diff --git a/Adapter/ShopwareAdapter/DependencyInjection/services.xml b/Adapter/ShopwareAdapter/DependencyInjection/services.xml
index 31a73c38a..99270f0be 100644
--- a/Adapter/ShopwareAdapter/DependencyInjection/services.xml
+++ b/Adapter/ShopwareAdapter/DependencyInjection/services.xml
@@ -3,7 +3,10 @@
 <container xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://symfony.com/schema/dic/services" xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
     <services>
         <!-- Misc Components -->
-        <service id="shopware_adapter.shopware_translation_component" class="Shopware_Components_Translation" />
+        <service id="shopware_adapter.shopware_translation_component" class="Shopware_Components_Translation" >
+            <argument type="service" id="dbal_connection"/>
+            <argument type="service" id="service_container"/>
+        </service>
 
         <service id="shopware.tax_repository" class="Shopware\Models\Tax\Repository">
             <factory service="models" method="getRepository" />
@@ -229,6 +232,8 @@
             <argument type="service" id="shopware_adapter.data_provider.media" />
             <argument type="service" id="shopware_adapter.attribute_helper" />
             <argument type="service" id="shopware_adapter.data_persister.attribute" />
+            <argument type="service" id="shopware.api.media" />
+            <argument type="service" id="models" />
 
             <tag name="plenty_connector.command_handler" />
         </service>
diff --git a/Adapter/ShopwareAdapter/ServiceBus/CommandHandler/Category/HandleCategoryCommandHandler.php b/Adapter/ShopwareAdapter/ServiceBus/CommandHandler/Category/HandleCategoryCommandHandler.php
index 684cc72c3..43ec42e78 100644
--- a/Adapter/ShopwareAdapter/ServiceBus/CommandHandler/Category/HandleCategoryCommandHandler.php
+++ b/Adapter/ShopwareAdapter/ServiceBus/CommandHandler/Category/HandleCategoryCommandHandler.php
@@ -35,6 +35,11 @@
 
 class HandleCategoryCommandHandler implements CommandHandlerInterface
 {
+    /**
+     * @var EntityManagerInterface
+     */
+    private $entityManager;
+
     /**
      * @var IdentityServiceInterface
      */
@@ -72,6 +77,7 @@ public function __construct(
         AttributeDataPersisterInterface $attributePersister,
         TranslationDataPersisterInterface $translationDataPersister
     ) {
+        $this->entityManager = $entityManager;
         $this->identityService = $identityService;
         $this->translationHelper = $translationHelper;
         $this->attributePersister = $attributePersister;
@@ -326,7 +332,7 @@ private function handleCategory(Category $category, Identity $shopIdentity)
         }
 
         if (null === $categoryIdentity) {
-            $categoryModel = $resource->create($params);
+            $categoryModel = $this->createOrUpdateCategory(new CategoryModel(), $params);
 
             $categoryIdentity = $this->identityService->insert(
                 $category->getIdentifier(),
@@ -335,7 +341,12 @@ private function handleCategory(Category $category, Identity $shopIdentity)
                 ShopwareAdapter::NAME
             );
         } else {
-            $categoryModel = $resource->update($categoryIdentity->getAdapterIdentifier(), $params);
+            /**
+             * @var CategoryModel $categoryModel
+             */
+            $categoryModel = $this->categoryRepository->find($categoryIdentity->getAdapterIdentifier());
+
+            $this->createOrUpdateCategory($categoryModel, $params);
         }
 
         $this->attributePersister->saveCategoryAttributes($categoryModel, $category->getAttributes());
@@ -433,6 +444,35 @@ private function handleOrphanedCategories(Category $category, array $validIdenti
         }
     }
 
+    /**
+     * @param CategoryModel $categoryModel
+     * @param array         $params
+     *
+     * @return CategoryModel
+     */
+    private function createOrUpdateCategory(CategoryModel $categoryModel, array $params = []): CategoryModel
+    {
+        /**
+         * @var CategoryModel $parent
+         */
+        $parent = $this->categoryRepository->find($params['parent']);
+
+        $categoryModel->setActive($params['active']);
+        $categoryModel->setPosition($params['position']);
+        $categoryModel->setName($params['name']);
+        $categoryModel->setParent($parent);
+        $categoryModel->setMetaTitle($params['metaTitle']);
+        $categoryModel->setMetaKeywords($params['metaKeywords']);
+        $categoryModel->setMetaDescription($params['metaDescription']);
+        $categoryModel->setCmsHeadline($params['cmsHeadline']);
+        $categoryModel->setCmsText($params['cmsText']);
+
+        $this->entityManager->persist($categoryModel);
+        $this->entityManager->flush();
+
+        return $categoryModel;
+    }
+
     /**
      * @return CategoryResource
      */
diff --git a/Adapter/ShopwareAdapter/ServiceBus/CommandHandler/Media/HandleMediaCommandHandler.php b/Adapter/ShopwareAdapter/ServiceBus/CommandHandler/Media/HandleMediaCommandHandler.php
index 6af194ed6..6e19636b5 100644
--- a/Adapter/ShopwareAdapter/ServiceBus/CommandHandler/Media/HandleMediaCommandHandler.php
+++ b/Adapter/ShopwareAdapter/ServiceBus/CommandHandler/Media/HandleMediaCommandHandler.php
@@ -2,10 +2,10 @@
 
 namespace ShopwareAdapter\ServiceBus\CommandHandler\Media;
 
+use Doctrine\ORM\EntityManagerInterface;
+use Shopware\Components\Api\Exception\CustomValidationException;
 use Shopware\Components\Api\Exception\NotFoundException as MediaNotFoundException;
 use Shopware\Components\Api\Exception\ParameterMissingException;
-use Shopware\Components\Api\Exception\ValidationException;
-use Shopware\Components\Api\Manager;
 use Shopware\Components\Api\Resource\Media as MediaResource;
 use ShopwareAdapter\DataPersister\Attribute\AttributeDataPersisterInterface;
 use ShopwareAdapter\DataProvider\Media\MediaDataProviderInterface;
@@ -46,18 +46,32 @@ class HandleMediaCommandHandler implements CommandHandlerInterface
      */
     private $attributePersister;
 
+    /**
+     * @var MediaResource
+     */
+    private $mediaResource;
+
+    /**
+     * @var EntityManagerInterface
+     */
+    private $entityManager;
+
     public function __construct(
         IdentityServiceInterface $identityService,
         MediaRequestGeneratorInterface $mediaRequestGenerator,
         MediaDataProviderInterface $mediaDataProvider,
         AttributeHelper $attributeHelper,
-        AttributeDataPersisterInterface $attributePersister
+        AttributeDataPersisterInterface $attributePersister,
+        MediaResource $mediaResource,
+        EntityManagerInterface $entityManager
     ) {
         $this->identityService = $identityService;
         $this->mediaRequestGenerator = $mediaRequestGenerator;
         $this->mediaDataProvider = $mediaDataProvider;
         $this->attributeHelper = $attributeHelper;
         $this->attributePersister = $attributePersister;
+        $this->mediaResource = $mediaResource;
+        $this->entityManager = $entityManager;
     }
 
     /**
@@ -75,9 +89,7 @@ public function supports(CommandInterface $command): bool
      * @param CommandInterface $command
      *
      * @throws ParameterMissingException
-     * @throws ValidationException
-     * @throws ValidationException
-     * @throws ParameterMissingException
+     * @throws CustomValidationException
      *
      * @return bool
      */
@@ -101,14 +113,15 @@ public function handle(CommandInterface $command): bool
             'adapterName' => ShopwareAdapter::NAME,
         ]);
 
-        $resource = $this->getMediaResource();
         $params = $this->mediaRequestGenerator->generate($media);
 
         if (null !== $identity) {
             try {
-                $mediaModel = $resource->update($identity->getAdapterIdentifier(), $params);
+                $mediaModel = $this->mediaResource->update($identity->getAdapterIdentifier(), $params);
+                $this->entityManager->clear();
             } catch (MediaNotFoundException $exception) {
-                $mediaModel = $resource->create($params);
+                $mediaModel = $this->mediaResource->internalCreateMediaByFileLink($params['file'], $params['album']);
+                $this->entityManager->flush();
 
                 $this->identityService->update(
                 $identity,
@@ -118,7 +131,8 @@ public function handle(CommandInterface $command): bool
                 );
             }
         } else {
-            $mediaModel = $resource->create($params);
+            $mediaModel = $this->mediaResource->internalCreateMediaByFileLink($params['file'], $params['album']);
+            $this->entityManager->flush();
 
             $this->identityService->insert(
                 $media->getIdentifier(),
@@ -135,15 +149,4 @@ public function handle(CommandInterface $command): bool
 
         return true;
     }
-
-    /**
-     * @return MediaResource
-     */
-    private function getMediaResource(): MediaResource
-    {
-        // without this reset the entitymanager sometimes the album is not found correctly.
-        Shopware()->Container()->reset('models');
-
-        return Manager::getResource('Media');
-    }
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6def096ef..313e6fe97 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,11 +2,13 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
-## [## [unreleased]]
+## [## [5.3.0]]
 ### Fixed
 - fix handling of important data on item sync (@lacodimizer)
 - fix tax handling on order export (@lacodimizer)
 - fixed wrong float cast (@ArvatisJohannes)
+- SW 5.6 required
+- PHP 7.2 required
 
 ## [## [5.2.1]]
 ### Fixed
diff --git a/composer.json b/composer.json
index 8cd10d613..1db749bc5 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
     ],
     "homepage": "https://github.com/plentymarkets/plentymarkets-shopware-connector",
     "require": {
-        "php": "^7.1",
+        "php": "^7.2",
         "viison/address-splitter": "dev-master",
         "composer/installers": "^1.0",
         "league/tactician": "^1.0",
diff --git a/plugin.xml b/plugin.xml
index dc542b35d..e21f28258 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -2,10 +2,10 @@
 <plugin xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://raw.githubusercontent.com/shopware/shopware/5.5/engine/Shopware/Components/Plugin/schema/plugin.xsd">
     <label>plentymarkets Shopware Connector</label>
     <label lang="de">plentymarkets Shopware Connector</label>
-    <version>5.2.1</version>
+    <version>5.3.0</version>
     <copyright>(c) plentymarkets GmbH</copyright>
     <link>https://www.plentymarkets.eu/</link>
     <author>arvatis media GmbH</author>
-    <compatibility minVersion="5.5.0" />
+    <compatibility minVersion="5.6.0" />
     <license>MIT</license>
 </plugin>