diff --git a/deno/rest/common.ts b/deno/rest/common.ts
index c85e32e9..891055ce 100644
--- a/deno/rest/common.ts
+++ b/deno/rest/common.ts
@@ -124,6 +124,8 @@ export enum RESTJSONErrorCodes {
 
 	ApplicationCommandWithThatNameAlreadyExists = 40041,
 
+	InteractionHasAlreadyBeenAcknowledged = 40060,
+
 	MissingAccess = 50001,
 	InvalidAccountType,
 	CannotExecuteActionOnDMChannel,
diff --git a/rest/common.ts b/rest/common.ts
index c85e32e9..891055ce 100644
--- a/rest/common.ts
+++ b/rest/common.ts
@@ -124,6 +124,8 @@ export enum RESTJSONErrorCodes {
 
 	ApplicationCommandWithThatNameAlreadyExists = 40041,
 
+	InteractionHasAlreadyBeenAcknowledged = 40060,
+
 	MissingAccess = 50001,
 	InvalidAccountType,
 	CannotExecuteActionOnDMChannel,