diff --git a/src/adapters/web-server-adapter.ts b/src/adapters/web-server-adapter.ts
index ccb4ece..23c5ac4 100644
--- a/src/adapters/web-server-adapter.ts
+++ b/src/adapters/web-server-adapter.ts
@@ -50,6 +50,7 @@ export class WebServerAdapter extends EventEmitter implements IWebServerAdapter
       }
 
       response.setHeader('content-type', 'application/nostr+json')
+      response.setHeader('access-control-allow-origin', '*')
       const body = JSON.stringify(relayInformationDocument)
       response.end(body)
     } else {