diff --git a/src/main/java/com/stripe/model/Plan.java b/src/main/java/com/stripe/model/Plan.java
index 75b9c0b4805..d49aff329d4 100644
--- a/src/main/java/com/stripe/model/Plan.java
+++ b/src/main/java/com/stripe/model/Plan.java
@@ -193,6 +193,7 @@ public Plan update(Map<String, Object> params, RequestOptions options) throws St
   @Setter
   @EqualsAndHashCode(callSuper = false)
   public static class Tier extends StripeObject {
+    Long flatAmount;
     Long unitAmount;
     Long upTo;