diff --git a/checkbox/Checkbox.swift b/checkbox/Checkbox.swift
index 7974535..c77a8c0 100644
--- a/checkbox/Checkbox.swift
+++ b/checkbox/Checkbox.swift
@@ -8,7 +8,7 @@ import UIKit
 
 /// Checkbox is a simple, animation free checkbox and UISwitch alternative designed
 /// to be performant and easy to implement.
-public class Checkbox: UIControl {
+open class Checkbox: UIControl {
 
     // MARK: - Enums