diff --git a/CHANGELOG.md b/CHANGELOG.md
index 190c73d..d9cbbdc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## v3.5.6
+* Исправление передачи брошенных корзин
+
 ## v3.5.5
 * Доработан маппинг доставок и оплат в соответствии с доступностью по магазинам
 
diff --git a/VERSION b/VERSION
index 7d280e2..c492825 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-3.5.5
+3.5.6
diff --git a/retailcrm/lib/RetailcrmCartUploader.php b/retailcrm/lib/RetailcrmCartUploader.php
index 5352cda..06821cc 100644
--- a/retailcrm/lib/RetailcrmCartUploader.php
+++ b/retailcrm/lib/RetailcrmCartUploader.php
@@ -271,6 +271,7 @@ class RetailcrmCartUploader
 
             if (!empty($cart->date_upd)) {
                 $crmCart['updatedAt'] = DateTimeImmutable::createFromFormat('Y-m-d H:i:s', $cart->date_upd)->format(static::$crmCartDateFormat);
+                $crmCart['droppedAt'] = DateTimeImmutable::createFromFormat('Y-m-d H:i:s', $cart->date_upd)->format(static::$crmCartDateFormat);
             }
 
             $products = $cart->getProducts();
diff --git a/retailcrm/retailcrm.php b/retailcrm/retailcrm.php
index 6890e3a..c1d77ea 100644
--- a/retailcrm/retailcrm.php
+++ b/retailcrm/retailcrm.php
@@ -48,7 +48,7 @@ require_once dirname(__FILE__) . '/bootstrap.php';
 
 class RetailCRM extends Module
 {
-    const VERSION = '3.5.5';
+    const VERSION = '3.5.6';
 
     const API_URL = 'RETAILCRM_ADDRESS';
     const API_KEY = 'RETAILCRM_API_TOKEN';