diff --git a/deno/rest/common.ts b/deno/rest/common.ts
index 5be4d8fb..8f992d52 100644
--- a/deno/rest/common.ts
+++ b/deno/rest/common.ts
@@ -154,6 +154,8 @@ export enum RESTJSONErrorCodes {
 	ThereAreNoTagsAvailableThatCanBeSetByNonModerators = 40_066,
 	TagRequiredToCreateAForumPostInThisChannel,
 
+	AnEntitlementHasAlreadyBeenGrantedForThisResource = 40_074,
+
 	MissingAccess = 50_001,
 	InvalidAccountType,
 	CannotExecuteActionOnDMChannel,
@@ -198,6 +200,8 @@ export enum RESTJSONErrorCodes {
 	CannotSelfRedeemThisGift = 50_054,
 	InvalidGuild,
 
+	InvalidSKU = 50_057,
+
 	InvalidRequestOrigin = 50_067,
 	InvalidMessageType,
 
diff --git a/rest/common.ts b/rest/common.ts
index 5be4d8fb..8f992d52 100644
--- a/rest/common.ts
+++ b/rest/common.ts
@@ -154,6 +154,8 @@ export enum RESTJSONErrorCodes {
 	ThereAreNoTagsAvailableThatCanBeSetByNonModerators = 40_066,
 	TagRequiredToCreateAForumPostInThisChannel,
 
+	AnEntitlementHasAlreadyBeenGrantedForThisResource = 40_074,
+
 	MissingAccess = 50_001,
 	InvalidAccountType,
 	CannotExecuteActionOnDMChannel,
@@ -198,6 +200,8 @@ export enum RESTJSONErrorCodes {
 	CannotSelfRedeemThisGift = 50_054,
 	InvalidGuild,
 
+	InvalidSKU = 50_057,
+
 	InvalidRequestOrigin = 50_067,
 	InvalidMessageType,