diff --git a/gulpfile.js b/gulpfile.js
index 56cbab1324..49004fabd2 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -709,7 +709,7 @@ gulp.task('prepare', function(){
 
   //Update package.json version
   var packageJSON = require('./package.json');
-  packageJSON.version = semver.inc(packageJSON.version, 'prerelease', 'alpha');
+  packageJSON.version = semver.inc(packageJSON.version, 'prerelease', 'beta');
   fs.writeFileSync('package.json', JSON.stringify(packageJSON, null, 2));
 
   //Update changelog