diff --git a/CHANGELOG.md b/CHANGELOG.md
index eb7de7e0..e02fee53 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 2026-04-15 v6.7.13
+- Исправлена обработка пустой даты рождения клиента при нормализации
+
 ## 2026-04-09 v6.7.12
 - Исправлена передача даты рождения клиента при пустом значении поля в Bitrix
 
diff --git a/intaro.retailcrm/classes/general/user/RetailCrmUser.php b/intaro.retailcrm/classes/general/user/RetailCrmUser.php
index c35a2120..97252618 100644
--- a/intaro.retailcrm/classes/general/user/RetailCrmUser.php
+++ b/intaro.retailcrm/classes/general/user/RetailCrmUser.php
@@ -160,9 +160,9 @@ private static function getSimpleCustomer(array $arFields): array
         $customer['address']['city'] = $arFields['PERSONAL_CITY'] ?? null;
         $customer['address']['text'] = $arFields['PERSONAL_STREET'] ?? null;
         $customer['address']['index'] = $arFields['PERSONAL_ZIP'] ?? null;
-        $customer['birthday'] = !empty($arFields['PERSONAL_BIRTHDAY'])
-            ? new \DateTime($arFields['PERSONAL_BIRTHDAY'])
-            : null;
+        if (!empty($arFields['PERSONAL_BIRTHDAY']) && $arFields['PERSONAL_BIRTHDAY'] !== '') {
+            $customer['birthday'] = new \DateTime($arFields['PERSONAL_BIRTHDAY']);
+        }
 
         if (mb_strlen($arFields['EMAIL']) < 100) {
             $customer['email'] = $arFields['EMAIL'];
diff --git a/intaro.retailcrm/description.ru b/intaro.retailcrm/description.ru
index 34e9329d..d08347ac 100644
--- a/intaro.retailcrm/description.ru
+++ b/intaro.retailcrm/description.ru
@@ -1 +1 @@
-- Исправлена передача даты рождения клиента при пустом значении поля в Bitrix
+- Исправлена обработка пустой даты рождения клиента при нормализации
diff --git a/intaro.retailcrm/install/version.php b/intaro.retailcrm/install/version.php
index 7b3bef13..121d2cda 100644
--- a/intaro.retailcrm/install/version.php
+++ b/intaro.retailcrm/install/version.php
@@ -1,6 +1,6 @@
 <?php
 
 $arModuleVersion = [
-    'VERSION'      => '6.7.12',
-    'VERSION_DATE' => '2026-04-09 12:00:00'
+    'VERSION'      => '6.7.13',
+    'VERSION_DATE' => '2026-04-15 12:00:00'
 ];
diff --git a/intaro.retailcrm/lib/component/constants.php b/intaro.retailcrm/lib/component/constants.php
index 2250187e..0c303990 100644
--- a/intaro.retailcrm/lib/component/constants.php
+++ b/intaro.retailcrm/lib/component/constants.php
@@ -18,7 +18,7 @@
  */
 class Constants
 {
-    public const MODULE_VERSION = '6.7.12';
+    public const MODULE_VERSION = '6.7.13';
     public const CRM_PURCHASE_PRICE_NULL = 'purchasePrice_null';
     public const BITRIX_USER_ID_PREFIX = 'bitrixUserId-';
     public const CRM_USERS_MAP = 'crm_users_map';