diff --git a/src/util/Constants.js b/src/util/Constants.js
index 251267b9..366770af 100644
--- a/src/util/Constants.js
+++ b/src/util/Constants.js
@@ -417,6 +417,10 @@ exports.MessageTypes = [
   null,
   'GUILD_DISCOVERY_DISQUALIFIED',
   'GUILD_DISCOVERY_REQUALIFIED',
+  null,
+  null,
+  null,
+  'INLINE_REPLY',
 ];
 
 /**
diff --git a/typings/index.d.ts b/typings/index.d.ts
index 381686cc..fa273e64 100644
--- a/typings/index.d.ts
+++ b/typings/index.d.ts
@@ -2859,7 +2859,8 @@ declare module 'discord.js' {
     | 'USER_PREMIUM_GUILD_SUBSCRIPTION_TIER_3'
     | 'CHANNEL_FOLLOW_ADD'
     | 'GUILD_DISCOVERY_DISQUALIFIED'
-    | 'GUILD_DISCOVERY_REQUALIFIED';
+    | 'GUILD_DISCOVERY_REQUALIFIED'
+    | 'INLINE_REPLY';
 
   interface OverwriteData {
     allow?: PermissionResolvable;