diff --git a/wai-server/index.js b/wai-server/index.js
index 5de96ee..87a0dfb 100644
--- a/wai-server/index.js
+++ b/wai-server/index.js
@@ -16,7 +16,7 @@ async function bootstrap() {
    * e.g.
    * await sequelize.authenticate()
    */
-  return http.createServer(server.callback()).listen(port);
+  return http.createServer(server.callback()).listen(port, '0.0.0.0');
 }
 
 bootstrap()