diff --git a/src/Stripe.net/Entities/StripeInvoiceLineItem.cs b/src/Stripe.net/Entities/StripeInvoiceLineItem.cs
index 4f8230bb01..f52ed9e5f4 100755
--- a/src/Stripe.net/Entities/StripeInvoiceLineItem.cs
+++ b/src/Stripe.net/Entities/StripeInvoiceLineItem.cs
@@ -97,5 +97,8 @@ internal object InternalSubscription
 
         [JsonProperty("type")]
         public string Type { get; set; }
+
+        [JsonProperty("unit_amount")]
+        public int? UnitAmount { get; set; }
     }
 }
\ No newline at end of file
diff --git a/src/Stripe.net/Services/InvoiceItems/StripeInvoiceItemCreateOptions.cs b/src/Stripe.net/Services/InvoiceItems/StripeInvoiceItemCreateOptions.cs
index 23545a471c..056118b085 100644
--- a/src/Stripe.net/Services/InvoiceItems/StripeInvoiceItemCreateOptions.cs
+++ b/src/Stripe.net/Services/InvoiceItems/StripeInvoiceItemCreateOptions.cs
@@ -5,20 +5,14 @@ namespace Stripe
 {
     public class StripeInvoiceItemCreateOptions : StripeBaseOptions, ISupportMetadata
     {
-        [JsonProperty("customer")]
-        public string CustomerId { get; set; }
-
         [JsonProperty("amount")]
         public int Amount { get; set; }
 
         [JsonProperty("currency")]
         public string Currency { get; set; }
 
-        [JsonProperty("invoice")]
-        public string InvoiceId { get; set; }
-
-        [JsonProperty("subscription")]
-        public string SubscriptionId { get; set; }
+        [JsonProperty("customer")]
+        public string CustomerId { get; set; }
 
         [JsonProperty("description")]
         public string Description { get; set; }
@@ -26,7 +20,19 @@ public class StripeInvoiceItemCreateOptions : StripeBaseOptions, ISupportMetadat
         [JsonProperty("discountable")]
         public bool Discountable { get; set; }
 
+        [JsonProperty("invoice")]
+        public string InvoiceId { get; set; }
+
         [JsonProperty("metadata")]
         public Dictionary<string, string> Metadata { get; set; }
+
+        [JsonProperty("quantity")]
+        public int? Quantity { get; set; }
+
+        [JsonProperty("subscription")]
+        public string SubscriptionId { get; set; }
+
+        [JsonProperty("unit_amount")]
+        public int? UnitAmount { get; set; }
     }
 }
\ No newline at end of file
diff --git a/src/Stripe.net/Services/InvoiceItems/StripeInvoiceItemUpdateOptions.cs b/src/Stripe.net/Services/InvoiceItems/StripeInvoiceItemUpdateOptions.cs
index 04e98a4e0c..38f1437efd 100644
--- a/src/Stripe.net/Services/InvoiceItems/StripeInvoiceItemUpdateOptions.cs
+++ b/src/Stripe.net/Services/InvoiceItems/StripeInvoiceItemUpdateOptions.cs
@@ -11,13 +11,16 @@ public class StripeInvoiceItemUpdateOptions : StripeBaseOptions, ISupportMetadat
         [JsonProperty("description")]
         public string Description { get; set; }
 
-        [JsonProperty("currency")]
-        public string Currency { get; set; }
-
         [JsonProperty("discountable")]
         public bool Discountable { get; set; }
 
         [JsonProperty("metadata")]
         public Dictionary<string, string> Metadata { get; set; }
+
+        [JsonProperty("quantity")]
+        public int? Quantity { get; set; }
+
+        [JsonProperty("unit_amount")]
+        public int? UnitAmount { get; set; }
     }
 }