diff --git a/src/connection.ts b/src/connection.ts
index 37167f5..2bcdfc8 100644
--- a/src/connection.ts
+++ b/src/connection.ts
@@ -32,8 +32,8 @@ export type WorkerResponse = {
 	error?: Error,
 }
 
-type BroadcastMessage = {
-	type: "getPath" | "path",
+export type BroadcastMessage = {
+	type: "getPath" | "path" | "refreshPort",
 	path?: string,
 }
 
@@ -89,8 +89,13 @@ export class WorkerConnection {
 		// @ts-expect-error
 		if (self.clients) {
 			// running in a ServiceWorker
-			// ask a window for the worker port
+			// ask a window for the worker port, register for refreshPort
 			this.port = searchForPort();
+			this.channel.onmessage = (event: MessageEvent) => {
+				if (event.data.type === "refreshPort") {
+					this.port = searchForPort();
+				}
+			}
 		} else if (workerPath && SharedWorker) {
 			// running in a window, was passed a workerPath
 			// create the SharedWorker and help other bare-mux clients get the workerPath
diff --git a/src/worker.ts b/src/worker.ts
index e62e415..816a896 100644
--- a/src/worker.ts
+++ b/src/worker.ts
@@ -1,9 +1,12 @@
 import { BareTransport } from "./baretypes";
-import { WorkerMessage, WorkerResponse } from "./connection"
+import { BroadcastMessage, WorkerMessage, WorkerResponse } from "./connection"
 
 let currentTransport: BareTransport | null = null;
 let currentTransportName: string = "";
 
+const channel = new BroadcastChannel("bare-mux");
+channel.postMessage(<BroadcastMessage>{ type: "refreshPort" });
+
 function noClients(): Error {
 	// @ts-expect-error mdn error constructor: new Error(message, options)
 	return new Error("there are no bare clients", {