From aacf92eb11d64b2de39e6291b6352b10dde143e3 Mon Sep 17 00:00:00 2001
From: hashrock <hashrock@users.noreply.github.com>
Date: Fri, 31 May 2019 00:51:47 +0900
Subject: [PATCH] ws: Add sec-websocket-version to handshake header
 (denoland/deno_std#468)

Original: https://github.com/denoland/deno_std/commit/40f55da9cff4b9589f07785db55f2eab01c4f09a
---
 ws/mod.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ws/mod.ts b/ws/mod.ts
index 2ae6cabda3..86ab2f045d 100644
--- a/ws/mod.ts
+++ b/ws/mod.ts
@@ -423,6 +423,7 @@ async function handshake(
   headers.set("upgrade", "websocket");
   headers.set("connection", "upgrade");
   headers.set("sec-websocket-key", key);
+  headers.set("sec-websocket-version", "13");
 
   let headerStr = `GET ${pathname}?${searchParams || ""} HTTP/1.1\r\n`;
   for (const [key, value] of headers) {