diff --git a/Inventory/InventoryItem.cs b/Inventory/InventoryItem.cs
index b37312b..b057d75 100644
--- a/Inventory/InventoryItem.cs
+++ b/Inventory/InventoryItem.cs
@@ -21,12 +21,12 @@ namespace Core.Adapters.Lib
         [BsonElement("categoryId")]
         [BsonRepresentation(BsonType.String)]
         [JsonPropertyName("categoryId")]
-        public Guid CategoryId { get; set; }
+        public string CategoryId { get; set; }
 
         [BsonElement("providerId")]
         [BsonRepresentation(BsonType.String)]
         [JsonPropertyName("providerId")]
-        public Guid ProviderId { get; set; }
+        public string ProviderId { get; set; }
 
         [BsonElement("attributes")]
         [JsonPropertyName("attributes")]