diff --git a/packages/core/create-cable/index.d.ts b/packages/core/create-cable/index.d.ts
index c52b012..87e7dde 100644
--- a/packages/core/create-cable/index.d.ts
+++ b/packages/core/create-cable/index.d.ts
@@ -84,7 +84,7 @@ export class ActionCableSubscription {
   channel: ActionCableChannel
   identifier: string
 
-  perform(action: string, payload?: object): void
+  perform(action: string, payload?: object): Promise<void>
   send(payload: object): void
   unsubscribe(): void
 }
diff --git a/packages/core/create-cable/index.js b/packages/core/create-cable/index.js
index bed651e..32ced17 100644
--- a/packages/core/create-cable/index.js
+++ b/packages/core/create-cable/index.js
@@ -199,7 +199,7 @@ class ActionCableSubscription {
   }
 
   perform(action, data = {}) {
-    this.channel.perform(action, data)
+    return this.channel.perform(action, data)
   }
 
   send(data) {