diff --git a/deno/rest/common.ts b/deno/rest/common.ts
index eff66e86..6f24a695 100644
--- a/deno/rest/common.ts
+++ b/deno/rest/common.ts
@@ -153,6 +153,8 @@ export enum RESTJSONErrorCodes {
 	FeatureTemporarilyDisabledServerSide,
 	UserBannedFromThisGuild,
 
+	OnlyOneChannelCanHaveAParentIdModifiedAtATime = 40_009,
+
 	ConnectionHasBeenRevoked = 40_012,
 
 	OnlyConsumableSKUsCanBeConsumed = 40_018,
diff --git a/rest/common.ts b/rest/common.ts
index eff66e86..6f24a695 100644
--- a/rest/common.ts
+++ b/rest/common.ts
@@ -153,6 +153,8 @@ export enum RESTJSONErrorCodes {
 	FeatureTemporarilyDisabledServerSide,
 	UserBannedFromThisGuild,
 
+	OnlyOneChannelCanHaveAParentIdModifiedAtATime = 40_009,
+
 	ConnectionHasBeenRevoked = 40_012,
 
 	OnlyConsumableSKUsCanBeConsumed = 40_018,