diff --git a/src/Model/Entity/Loyalty/BonusDetail.php b/src/Model/Entity/Loyalty/BonusDetail.php
index 16e3e84..3e8b42f 100644
--- a/src/Model/Entity/Loyalty/BonusDetail.php
+++ b/src/Model/Entity/Loyalty/BonusDetail.php
@@ -22,7 +22,7 @@ class BonusDetail
     /**
      * @var \DateTime
      *
-     * @JMS\Type("DateTime<'Y-m-d H:i:s'>")
+     * @JMS\Type("DateTime<'Y-m-d'>")
      * @JMS\SerializedName("date")
      */
     public $date;
diff --git a/tests/src/ResourceGroup/LoyaltyTest.php b/tests/src/ResourceGroup/LoyaltyTest.php
index 51c5e99..4f6b85f 100644
--- a/tests/src/ResourceGroup/LoyaltyTest.php
+++ b/tests/src/ResourceGroup/LoyaltyTest.php
@@ -1190,7 +1190,7 @@ EOF;
   },
   "bonuses": [
     {
-      "date": "2021-03-17 18:08:02",
+      "date": "2021-03-17",
       "amount": 1.2
     }
   ],