diff --git a/src/Discord.Net.Core/DiscordErrorCode.cs b/src/Discord.Net.Core/DiscordErrorCode.cs
index 3662624be..61516a0ff 100644
--- a/src/Discord.Net.Core/DiscordErrorCode.cs
+++ b/src/Discord.Net.Core/DiscordErrorCode.cs
@@ -65,6 +65,7 @@ namespace Discord
         OnlyOwnerAction = 20018,
         AnnouncementEditRatelimit = 20022,
         ChannelWriteRatelimit = 20028,
+        WriteRatelimitReached = 20029,
         WordsNotAllowed = 20031,
         GuildPremiumTooLow = 20035,
         #endregion