diff --git a/application/config/app.php b/application/config/app.php
index 645504803d..19d83ff2c5 100644
--- a/application/config/app.php
+++ b/application/config/app.php
@@ -9,10 +9,10 @@
 |
 */
 
-$config['version'] = '1.5.0-dev.4'; // This must be changed manually.
+$config['version'] = '1.5.0-alpha.1'; // This must be changed manually.
 
 $config['url'] = Config::BASE_URL;
 
 $config['debug'] = Config::DEBUG_MODE;
 
-$config['cache_busting_token'] = 'ZV951';
+$config['cache_busting_token'] = 'ZV952';