diff --git a/glx.js b/index.js
similarity index 91%
rename from glx.js
rename to index.js
index dc60e7d..c3b27be 100644
--- a/glx.js
+++ b/index.js
@@ -1,5 +1,12 @@
 'use strict';
 
+var PromiseA;
+try {
+  PromiseA = require('bluebird');
+} catch(e) {
+  PromiseA = global.Promise;
+}
+
 // opts.approveDomains(options, certs, cb)
 module.exports.create = function (opts) {
   // accept all defaults for greenlock.challenges, greenlock.store, greenlock.middleware
@@ -11,14 +18,6 @@ module.exports.create = function (opts) {
   };
 
   opts.listen = function (plainPort, port) {
-    var PromiseA;
-    try {
-      PromiseA = require('bluebird');
-    } catch(e) {
-      console.warn("Package 'bluebird' not installed. Using global.Promise instead");
-      console.warn("(want bluebird instead? npm install --save bluebird)");
-      PromiseA = global.Promise;
-    }
     var promises = [];
     var plainPorts = plainPort;
     var ports = port;
diff --git a/package.json b/package.json
index 976dc8d..6f68cb5 100644
--- a/package.json
+++ b/package.json
@@ -1,8 +1,8 @@
 {
   "name": "greenlock-express",
-  "version": "2.3.0",
+  "version": "2.3.1",
   "description": "Free SSL and managed or automatic HTTPS for node.js with Express, Koa, Connect, Hapi, and all other middleware systems.",
-  "main": "glx.js",
+  "main": "index.js",
   "homepage": "https://git.coolaj86.com/coolaj86/greenlock-express.js",
   "directories": {
     "example": "examples"
@@ -14,6 +14,9 @@
     "le-store-certbot": "^2.1.0",
     "redirect-https": "^1.1.5"
   },
+  "files": [
+  , "lib"
+  ],
   "optionalDependencies": {
     "spdy": "^3.4.7"
   },