diff --git a/Classes/BEMCheckBox.swift b/Classes/BEMCheckBox.swift
index 0a93910..dad3346 100644
--- a/Classes/BEMCheckBox.swift
+++ b/Classes/BEMCheckBox.swift
@@ -28,7 +28,7 @@ import UIKit
 /** Tasteful Checkbox for iOS. */
 @IBDesignable
 @objc
-public class BEMCheckBox: UIControl, CAAnimationDelegate {
+open class BEMCheckBox: UIControl, CAAnimationDelegate {
     
     @objc(BEMBoxType)
     public enum BoxType : Int {