diff --git a/.github/workflows/code_quality.yml b/.github/workflows/code_quality.yml
index ab5113f..10f149a 100644
--- a/.github/workflows/code_quality.yml
+++ b/.github/workflows/code_quality.yml
@@ -32,7 +32,7 @@ jobs:
           target_directory: 'src'
   phpstan:
     name: PHPStan
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     steps:
       - name: Check out code into the workspace
         uses: actions/checkout@v2
diff --git a/src/Model/Entity/Loyalty/SerializedLoyaltyOrder.php b/src/Model/Entity/Loyalty/SerializedLoyaltyOrder.php
index 53ea74e..966efda 100644
--- a/src/Model/Entity/Loyalty/SerializedLoyaltyOrder.php
+++ b/src/Model/Entity/Loyalty/SerializedLoyaltyOrder.php
@@ -116,4 +116,12 @@ class SerializedLoyaltyOrder
      * @JMS\SerializedName("items")
      */
     public $items;
+
+    /**
+     * @var string
+     *
+     * @JMS\Type("string")
+     * @JMS\SerializedName("currency")
+     */
+    public $currency;
 }
diff --git a/src/Model/Entity/Orders/LinkedOrder.php b/src/Model/Entity/Orders/LinkedOrder.php
new file mode 100644
index 0000000..4747ab2
--- /dev/null
+++ b/src/Model/Entity/Orders/LinkedOrder.php
@@ -0,0 +1,45 @@
+<?php
+
+/**
+ * PHP version 7.3
+ *
+ * @category LinkedOrder
+ * @package  RetailCrm\Api\Model\Entity\Orders
+ */
+
+namespace RetailCrm\Api\Model\Entity\Orders;
+
+use RetailCrm\Api\Component\Serializer\Annotation as JMS;
+
+/**
+ * Class LinkedOrder
+ *
+ * @category LinkedOrder
+ * @package  RetailCrm\Api\Model\Entity\Orders
+ */
+class LinkedOrder
+{
+    /**
+     * @var int
+     *
+     * @JMS\Type("int")
+     * @JMS\SerializedName("id")
+     */
+    public $id;
+
+    /**
+     * @var string
+     *
+     * @JMS\Type("string")
+     * @JMS\SerializedName("externalId")
+     */
+    public $externalId;
+
+    /**
+     * @var string
+     *
+     * @JMS\Type("string")
+     * @JMS\SerializedName("number")
+     */
+    public $number;
+}
diff --git a/src/Model/Entity/Orders/Order.php b/src/Model/Entity/Orders/Order.php
index db22788..fa3fdc1 100644
--- a/src/Model/Entity/Orders/Order.php
+++ b/src/Model/Entity/Orders/Order.php
@@ -416,6 +416,14 @@ class Order
      */
     public $payments;
 
+    /**
+     * @var \RetailCrm\Api\Model\Entity\Orders\OrderLink[]
+     *
+     * @JMS\Type("array<RetailCrm\Api\Model\Entity\Orders\OrderLink>")
+     * @JMS\SerializedName("links")
+     */
+    public $links;
+
     /**
      * @var bool
      *
diff --git a/src/Model/Entity/Orders/OrderLink.php b/src/Model/Entity/Orders/OrderLink.php
new file mode 100644
index 0000000..de909c2
--- /dev/null
+++ b/src/Model/Entity/Orders/OrderLink.php
@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * PHP version 7.3
+ *
+ * @category OrderLink
+ * @package  RetailCrm\Api\Model\Entity\Orders
+ */
+
+namespace RetailCrm\Api\Model\Entity\Orders;
+
+use DateTime;
+use RetailCrm\Api\Component\Serializer\Annotation as JMS;
+
+/**
+ * Class OrderLink
+ *
+ * @category OrderLink
+ * @package  RetailCrm\Api\Model\Entity\Orders
+ */
+class OrderLink
+{
+    /**
+     * @var string
+     *
+     * @JMS\Type("string")
+     * @JMS\SerializedName("comment")
+     */
+    public $comment;
+
+    /**
+     * @var \RetailCrm\Api\Model\Entity\Orders\LinkedOrder
+     *
+     * @JMS\Type("array<RetailCrm\Api\Model\Entity\Delivery\SerializedEntityOrder>")
+     * @JMS\SerializedName("order")
+     */
+    public $order;
+
+    /**
+     * @var DateTime
+     *
+     * @JMS\Type("DateTime<'Y-m-d H:i:s'>")
+     * @JMS\SerializedName("createdAt")
+     */
+    public $createdAt;
+}
diff --git a/src/Model/Entity/References/PriceType.php b/src/Model/Entity/References/PriceType.php
index da5c282..1e4ac6c 100644
--- a/src/Model/Entity/References/PriceType.php
+++ b/src/Model/Entity/References/PriceType.php
@@ -75,6 +75,14 @@ class PriceType
      */
     public $filterExpression;
 
+    /**
+     * @var string
+     *
+     * @JMS\Type("string")
+     * @JMS\SerializedName("currency")
+     */
+    public $currency;
+
     /**
      * @var \RetailCrm\Api\Model\Entity\References\GeoHierarchyRow[]
      *
diff --git a/src/Model/Entity/Store/OfferPrice.php b/src/Model/Entity/Store/OfferPrice.php
index c03f829..32072c7 100644
--- a/src/Model/Entity/Store/OfferPrice.php
+++ b/src/Model/Entity/Store/OfferPrice.php
@@ -42,4 +42,12 @@ class OfferPrice
      * @JMS\SerializedName("ordering")
      */
     public $ordering;
+
+    /**
+     * @var string
+     *
+     * @JMS\Type("string")
+     * @JMS\SerializedName("currency")
+     */
+    public $currency;
 }
diff --git a/src/Model/Entity/Users/User.php b/src/Model/Entity/Users/User.php
index 2ce95d1..320e78a 100644
--- a/src/Model/Entity/Users/User.php
+++ b/src/Model/Entity/Users/User.php
@@ -76,6 +76,14 @@ class User
      */
     public $patronymic;
 
+    /**
+     * @var string
+     *
+     * @JMS\Type("string")
+     * @JMS\SerializedName("position")
+     */
+    public $position;
+
     /**
      * @var string
      *
diff --git a/src/Model/Filter/Orders/OrderFilter.php b/src/Model/Filter/Orders/OrderFilter.php
index e551537..481a7a3 100644
--- a/src/Model/Filter/Orders/OrderFilter.php
+++ b/src/Model/Filter/Orders/OrderFilter.php
@@ -512,6 +512,14 @@ class OrderFilter
      */
     public $deliveryTypes;
 
+    /**
+     * @var string[]
+     *
+     * @Form\Type("string[]")
+     * @Form\SerializedName("deliveryServices")
+     */
+    public $deliveryServices;
+
     /**
      * @var string[]
      *
diff --git a/src/Model/Request/References/CurrenciesCreateRequest.php b/src/Model/Request/References/CurrenciesCreateRequest.php
index d3cd46d..edc4e7f 100644
--- a/src/Model/Request/References/CurrenciesCreateRequest.php
+++ b/src/Model/Request/References/CurrenciesCreateRequest.php
@@ -22,7 +22,7 @@ use RetailCrm\Api\Model\Entity\References\Currency;
 class CurrenciesCreateRequest implements RequestInterface
 {
     /**
-     * @var \RetailCrm\Api\Model\Entity\References\Currency
+     * @var \RetailCrm\Api\Model\Entity\References\Currency|null
      *
      * @Form\Type("RetailCrm\Api\Model\Entity\References\Currency")
      * @Form\SerializedName("currency")
diff --git a/src/ResourceGroup/WebAnalytics.php b/src/ResourceGroup/WebAnalytics.php
index cf85087..b15356f 100644
--- a/src/ResourceGroup/WebAnalytics.php
+++ b/src/ResourceGroup/WebAnalytics.php
@@ -26,6 +26,56 @@ use RetailCrm\Api\Model\Response\WebAnalytics\SourcesUploadResponse;
 class WebAnalytics extends AbstractApiResourceGroup
 {
     /**
+     *
+     *   Makes POST "/api/v5/web-analytics/client-ids/upload" request.
+     *
+     *   Example:
+     *   ```php
+     *   use RetailCrm\Api\Factory\SimpleClientFactory;
+     *   use RetailCrm\Api\Interfaces\ApiExceptionInterface;
+     *   use RetailCrm\Api\Model\Entity\WebAnalytics\Customer;
+     *   use RetailCrm\Api\Model\Entity\WebAnalytics\Order;
+     *   use RetailCrm\Api\Model\Entity\WebAnalytics\Source;
+     *   use RetailCrm\Api\Model\Request\WebAnalytics\SourcesUploadRequest;
+     *
+     *   $client = SimpleClientFactory::createClient('https://test.retailcrm.pro', 'apiKey');
+     *
+     *   $entity = new Source();
+     *   $entity->source = "sourse";
+     *   $entity->medium = "medium";
+     *   $entity->campaign = "campaign";
+     *   $entity->keyword = "keyword";
+     *   $entity->content = "content";
+     *   $entity->clientId = "10";
+     *   $entity->order = new Order();
+     *   $entity->order->id = 10;
+     *   $entity->order->externalId = "externalId";
+     *   $entity->order->number = "number";
+     *   $entity->customer = new Customer();
+     *   $entity->customer->id = 10;
+     *   $entity->customer->externalId = 'externalId';
+     *
+     *  $request = new SourcesUploadRequest([$entity]);
+     *
+     *   try {
+     *       $response = $client->webAnalytics->sourcesUpload($request);
+     *   } catch (ApiExceptionInterface $exception) {
+     *       echo sprintf(
+     *           'Error from RetailCRM API (status code: %d): %s',
+     *           $exception->getStatusCode(),
+     *           $exception->getMessage()
+     *       );
+     *
+     *       if (count($exception->getErrorResponse()->errors) > 0) {
+     *           echo PHP_EOL . 'Errors: ' . implode(', ', $exception->getErrorResponse()->errors);
+     *       }
+     *
+     *       return;
+     *   }
+     *
+     *   echo 'Upload is successful';
+     *   ```
+     *
      * @param \RetailCrm\Api\Model\Request\WebAnalytics\SourcesUploadRequest $request
      *
      * @return \RetailCrm\Api\Model\Response\WebAnalytics\SourcesUploadResponse
@@ -53,6 +103,51 @@ class WebAnalytics extends AbstractApiResourceGroup
     }
 
     /**
+     *
+     *  Makes POST "/api/v5/web-analytics/client-ids/upload" request.
+     *
+     *  Example:
+     *  ```php
+     *  use RetailCrm\Api\Factory\SimpleClientFactory;
+     *  use RetailCrm\Api\Interfaces\ApiExceptionInterface;
+     *  use RetailCrm\Api\Model\Entity\WebAnalytics\ClientId;
+     *  use RetailCrm\Api\Model\Entity\WebAnalytics\Customer;
+     *  use RetailCrm\Api\Model\Entity\WebAnalytics\Order;
+     *  use RetailCrm\Api\Model\Request\WebAnalytics\ClientIdUploadRequest;
+     *
+     *  $client = SimpleClientFactory::createClient('https://test.retailcrm.pro', 'apiKey');
+     *
+     *  $entity = new ClientId();
+     *  $entity->value = 'value';
+     *  $entity->order = new Order();
+     *  $entity->order->id = 10;
+     *  $entity->order->externalId = 'externalId';
+     *  $entity->order->number = 'number';
+     *  $entity->customer = new Customer();
+     *  $entity->customer->id = 10;
+     *  $entity->customer->externalId = 'externalId';
+     *
+     * $request = new ClientIdUploadRequest([$entity]);
+     *
+     *  try {
+     *      $response = $client->webAnalytics->clientIdsUpload($request);
+     *  } catch (ApiExceptionInterface $exception) {
+     *      echo sprintf(
+     *          'Error from RetailCRM API (status code: %d): %s',
+     *          $exception->getStatusCode(),
+     *          $exception->getMessage()
+     *      );
+     *
+     *      if (count($exception->getErrorResponse()->errors) > 0) {
+     *          echo PHP_EOL . 'Errors: ' . implode(', ', $exception->getErrorResponse()->errors);
+     *      }
+     *
+     *      return;
+     *  }
+     *
+     *  echo 'Upload is successful';
+     *  ```
+     *
      * @param \RetailCrm\Api\Model\Request\WebAnalytics\ClientIdUploadRequest $request
      *
      * @return \RetailCrm\Api\Model\Response\WebAnalytics\ClientIdUploadResponse
diff --git a/tests/src/ResourceGroup/WebAnalyticsTest.php b/tests/src/ResourceGroup/WebAnalyticsTest.php
new file mode 100644
index 0000000..dd08fa0
--- /dev/null
+++ b/tests/src/ResourceGroup/WebAnalyticsTest.php
@@ -0,0 +1,100 @@
+<?php
+
+/**
+ * PHP version 7.3
+ *
+ * @category WebAnalyticsTest
+ * @package RetailCrm\Tests\ResourceGroup
+ */
+
+namespace RetailCrm\Tests\ResourceGroup;
+
+use RetailCrm\Api\Enum\RequestMethod;
+use RetailCrm\Api\Factory\SimpleClientFactory;
+use RetailCrm\Api\Interfaces\ApiExceptionInterface;
+use RetailCrm\Api\Model\Entity\WebAnalytics\ClientId;
+use RetailCrm\Api\Model\Entity\WebAnalytics\Customer;
+use RetailCrm\Api\Model\Entity\WebAnalytics\Order;
+use RetailCrm\Api\Model\Entity\WebAnalytics\Source;
+use RetailCrm\Api\Model\Request\WebAnalytics\ClientIdUploadRequest;
+use RetailCrm\Api\Model\Request\WebAnalytics\SourcesUploadRequest;
+use RetailCrm\TestUtils\Factory\TestClientFactory;
+use RetailCrm\TestUtils\TestCase\AbstractApiResourceGroupTestCase;
+
+/**
+ * Class WebAnalyticsTest
+ *
+ * @category WebAnalyticsTest
+ * @package  RetailCrm\Tests\ResourceGroup
+ */
+class WebAnalyticsTest extends AbstractApiResourceGroupTestCase
+{
+    public function testClientIdsUpload(): void
+    {
+        $json = <<<'EOF'
+{
+  "success": true
+}
+EOF;
+
+        $entity = new ClientId();
+        $entity->value = 'value';
+        $entity->order = new Order();
+        $entity->order->id = 10;
+        $entity->order->externalId = 'externalId';
+        $entity->order->number = 'number';
+        $entity->customer = new Customer();
+        $entity->customer->id = 10;
+        $entity->customer->externalId = 'externalId';
+
+        $request = new ClientIdUploadRequest([$entity]);
+
+        $mock = static::createApiMockBuilder('web-analytics/client-ids/upload');
+        $mock->matchMethod(RequestMethod::POST)
+            ->matchBody(self::encodeForm($request))
+            ->reply(201)
+            ->withBody($json);
+
+        $client = TestClientFactory::createClient($mock->getClient());
+        $response = $client->webAnalytics->clientIdsUpload($request);
+
+        self::assertModelEqualsToResponse($json, $response);
+    }
+
+    public function testSourcesUpload(): void
+    {
+        $json = <<<'EOF'
+{
+  "success": true
+}
+EOF;
+
+        $entity = new Source();
+        $entity->source = "sourse";
+        $entity->medium = "medium";
+        $entity->campaign = "campaign";
+        $entity->keyword = "keyword";
+        $entity->content = "content";
+        $entity->clientId = "10";
+        $entity->order = new Order();
+        $entity->order->id = 10;
+        $entity->order->externalId = "externalId";
+        $entity->order->number = "number";
+        $entity->customer = new Customer();
+        $entity->customer->id = 10;
+        $entity->customer->externalId = 'externalId';
+
+        $request = new SourcesUploadRequest([$entity]);
+
+        $mock = static::createApiMockBuilder('web-analytics/sources/upload');
+        $mock->matchMethod(RequestMethod::POST)
+            ->matchBody(self::encodeForm($request))
+            ->reply(201)
+            ->withBody($json);
+
+        $client = TestClientFactory::createClient($mock->getClient());
+        $response = $client->webAnalytics->sourcesUpload($request);
+
+        self::assertModelEqualsToResponse($json, $response);
+    }
+}