diff --git a/app/proxy.py b/app/proxy.py
index 3dc5a35..c9302f4 100644
--- a/app/proxy.py
+++ b/app/proxy.py
@@ -29,7 +29,8 @@ WS_HOP_BY_HOP_HEADERS = {
     "sec-websocket-version",
     "sec-websocket-extensions",
     "sec-websocket-accept",
-    "host"
+    "host",
+    "origin"
 }
 
 _http_transport: Optional[httpx.AsyncHTTPTransport] = None
@@ -206,7 +207,7 @@ async def proxy_websocket(
     try:
         async with websockets.connect(
             upstream_url,
-            extra_headers=upstream_headers,
+            additional_headers=upstream_headers,
             subprotocols=subprotocols,
             ping_interval=20,
             ping_timeout=20,