diff --git a/.changeset/red-flies-share.md b/.changeset/red-flies-share.md
new file mode 100644
index 0000000000..63851fb07c
--- /dev/null
+++ b/.changeset/red-flies-share.md
@@ -0,0 +1,7 @@
+---
+"@effect/platform-node": patch
+"@effect/platform-bun": patch
+"@effect/platform": patch
+---
+
+add support for WebSocket protocols option
diff --git a/packages/platform-bun/src/BunSocket.ts b/packages/platform-bun/src/BunSocket.ts
index 0bf56a8e74..e4f6f19efb 100644
--- a/packages/platform-bun/src/BunSocket.ts
+++ b/packages/platform-bun/src/BunSocket.ts
@@ -26,5 +26,5 @@ export const layerWebSocket = (url: string, options?: {
  */
 export const layerWebSocketConstructor: Layer.Layer<Socket.WebSocketConstructor> = Layer.succeed(
   Socket.WebSocketConstructor,
-  (url) => new globalThis.WebSocket(url)
+  (url, protocols) => new globalThis.WebSocket(url, protocols)
 )
diff --git a/packages/platform-node/src/NodeSocket.ts b/packages/platform-node/src/NodeSocket.ts
index b39bad6b6f..08fc8c4514 100644
--- a/packages/platform-node/src/NodeSocket.ts
+++ b/packages/platform-node/src/NodeSocket.ts
@@ -29,8 +29,8 @@ export const layerWebSocketConstructor: Layer.Layer<Socket.WebSocketConstructor>
   Socket.WebSocketConstructor,
   () => {
     if ("WebSocket" in globalThis) {
-      return (url) => new globalThis.WebSocket(url)
+      return (url, protocols) => new globalThis.WebSocket(url, protocols)
     }
-    return (url) => new WS.WebSocket(url) as unknown as globalThis.WebSocket
+    return (url, protocols) => new WS.WebSocket(url, protocols) as unknown as globalThis.WebSocket
   }
 )
diff --git a/packages/platform/src/Socket.ts b/packages/platform/src/Socket.ts
index 2a76950b1d..41fd114630 100644
--- a/packages/platform/src/Socket.ts
+++ b/packages/platform/src/Socket.ts
@@ -350,7 +350,10 @@ export interface WebSocketConstructor {
  * @since 1.0.0
  * @category tags
  */
-export const WebSocketConstructor: Context.Tag<WebSocketConstructor, (url: string) => globalThis.WebSocket> = Context
+export const WebSocketConstructor: Context.Tag<
+  WebSocketConstructor,
+  (url: string, protocols?: string | Array<string> | undefined) => globalThis.WebSocket
+> = Context
   .GenericTag("@effect/platform/Socket/WebSocketConstructor")
 
 /**
@@ -359,7 +362,7 @@ export const WebSocketConstructor: Context.Tag<WebSocketConstructor, (url: strin
  */
 export const layerWebSocketConstructorGlobal: Layer.Layer<WebSocketConstructor> = Layer.succeed(
   WebSocketConstructor,
-  (url: string) => new globalThis.WebSocket(url)
+  (url, protocols) => new globalThis.WebSocket(url, protocols)
 )
 
 /**
@@ -367,13 +370,14 @@ export const layerWebSocketConstructorGlobal: Layer.Layer<WebSocketConstructor>
  * @category constructors
  */
 export const makeWebSocket = (url: string | Effect.Effect<string>, options?: {
-  readonly closeCodeIsError?: (code: number) => boolean
-  readonly openTimeout?: DurationInput
+  readonly closeCodeIsError?: ((code: number) => boolean) | undefined
+  readonly openTimeout?: DurationInput | undefined
+  readonly protocols?: string | Array<string> | undefined
 }): Effect.Effect<Socket, never, WebSocketConstructor> =>
   fromWebSocket(
     Effect.acquireRelease(
       (typeof url === "string" ? Effect.succeed(url) : url).pipe(
-        Effect.flatMap((url) => Effect.map(WebSocketConstructor, (f) => f(url)))
+        Effect.flatMap((url) => Effect.map(WebSocketConstructor, (f) => f(url, options?.protocols)))
       ),
       (ws) => Effect.sync(() => ws.close())
     ),