diff --git a/meta-box-builder.php b/meta-box-builder.php
index 4bc697ab..6b4e3b30 100644
--- a/meta-box-builder.php
+++ b/meta-box-builder.php
@@ -3,7 +3,7 @@
  * Plugin Name: Meta Box Builder
  * Plugin URI:  https://metabox.io/plugins/meta-box-builder/
  * Description: Drag and drop UI for creating custom meta boxes and custom fields.
- * Version:     4.6.5
+ * Version:     4.6.6
  * Author:      MetaBox.io
  * Author URI:  https://metabox.io
  * License:     GPL2+
@@ -32,7 +32,7 @@ function mb_builder_load() {
 			return;
 		}
 
-		define( 'MBB_VER', '4.6.5' );
+		define( 'MBB_VER', '4.6.6' );
 		define( 'MBB_DIR', trailingslashit( __DIR__ ) );
 
 		list( , $url ) = \RWMB_Loader::get_path( MBB_DIR );