diff --git a/SwiftLuhn/Classes/SwiftLuhn.swift b/SwiftLuhn/Classes/SwiftLuhn.swift
index 3495f8a..1a5ef1c 100644
--- a/SwiftLuhn/Classes/SwiftLuhn.swift
+++ b/SwiftLuhn/Classes/SwiftLuhn.swift
@@ -113,7 +113,7 @@ open class SwiftLuhn {
         }
     }
     
-    class func cardType(for cardNumber: String, suggest: Bool = false) throws -> CardType {
+    public class func cardType(for cardNumber: String, suggest: Bool = false) throws -> CardType {
         var foundCardType: CardType?
         
         for i in CardType.amex.rawValue...CardType.jcb.rawValue {