diff --git a/source/Ox.js b/source/Ox.js
index 8feeb26d..95eeccc4 100644
--- a/source/Ox.js
+++ b/source/Ox.js
@@ -23,6 +23,7 @@
                     loadScriptsSerial(data.files, function() {
                         Ox.LOCALES = data.locales;
                         Ox.VERSION = data.version;
+                        Ox.DEBUG = true;
                         Ox.forEach(previousOx, function(value, key) {
                             if (Ox.isUndefined(Ox[key])) {
                                 Ox[key] = value;
diff --git a/source/Ox/js/Request.js b/source/Ox/js/Request.js
index 640a932a..a823de38 100644
--- a/source/Ox/js/Request.js
+++ b/source/Ox/js/Request.js
@@ -113,7 +113,7 @@ Ox.getFile = (function() {
                     );
                     element[
                         type == 'css' ? 'href' : 'src'
-                    ] = file + '?' + Ox.random(1000000);
+                    ] = file + '?' + (Ox.DEBUG ? Ox.random(1000000) : Ox.VERSION);
                     element.type = type == 'css' ? 'text/css' : 'text/javascript';
                     if (type == 'css') {
                         element.rel = 'stylesheet';