diff --git a/ably.d.ts b/ably.d.ts
index 5028351ea..a738cbbfb 100644
--- a/ably.d.ts
+++ b/ably.d.ts
@@ -711,6 +711,10 @@ export type capabilityOp =
   | 'publish'
   | 'subscribe'
   | 'presence'
+  | 'message-update-any'
+  | 'message-update-own'
+  | 'message-delete-any'
+  | 'message-delete-own'
   | 'history'
   | 'stats'
   | 'channel-metadata'