diff --git a/config/app.php b/config/app.php
index 74227d4..cb9c4d8 100644
--- a/config/app.php
+++ b/config/app.php
@@ -2,7 +2,7 @@
 
 return [
     // Version number of Blue Twilight
-    'version' => '1.0.0-ALPHA',
+    'version' => '**DEV**',
 
     /*
     |--------------------------------------------------------------------------
diff --git a/resources/build/build.php b/resources/build/build.php
index 030cb26..ab608e1 100644
--- a/resources/build/build.php
+++ b/resources/build/build.php
@@ -23,6 +23,10 @@ if (getcwd() != $appRoot)
     exit();
 }
 
+echo 'Updating app.version config value...' . PHP_EOL . PHP_EOL;
+$appConfigFile = sprintf('%s/config/app.php', $appRoot);
+file_put_contents($appConfigFile, str_replace('**DEV**', $argv[1], file_get_contents($appConfigFile)));
+
 echo 'Downloading Composer...' . PHP_EOL . PHP_EOL;
 
 copy('https://getcomposer.org/installer', 'composer-setup.php');