diff --git a/src/Discord.Net/Entities/Messages/MessageType.cs b/src/Discord.Net/Entities/Messages/MessageType.cs
index 9ab107d76..687e69e14 100644
--- a/src/Discord.Net/Entities/Messages/MessageType.cs
+++ b/src/Discord.Net/Entities/Messages/MessageType.cs
@@ -7,6 +7,7 @@
         RecipientRemove = 2,
         Call = 3,
         ChannelNameChange = 4,
-        ChannelIconChange = 5
+        ChannelIconChange = 5,
+        ChannelPinnedMessage = 6
     }
 }