diff --git a/index.js b/index.js
index 0616706..fbc0c26 100644
--- a/index.js
+++ b/index.js
@@ -356,7 +356,7 @@ process.on("SIGINT", function () {
   process.exit();
 });
 
-fastify.listen(process.env.PORT || 3000, function (err, address) {
+fastify.listen(process.env.PORT || 3000, "0.0.0.0", function (err, address) {
   if (err) {
     fastify.log.error(err);
     process.exit(1);