diff --git a/Sources/CodableTransform.swift b/Sources/CodableTransform.swift
index 4cb72d55..e959ed7d 100644
--- a/Sources/CodableTransform.swift
+++ b/Sources/CodableTransform.swift
@@ -33,8 +33,13 @@ open class CodableTransform<T: Codable>: TransformType {
 
     public typealias Object = T
     public typealias JSON = Any
-
-    public init() {}
+    private let encoder: JSONEncoder
+    private let decoder: JSONDecoder
+    
+    public init(decoder: JSONDecoder = .init(), encoder: JSONEncoder = .init()) {
+        self.encoder = encoder
+        self.decoder = decoder
+    }
 
     open func transformFromJSON(_ value: Any?) -> Object? {
 				var _data: Data? = nil
@@ -49,7 +54,6 @@ open class CodableTransform<T: Codable>: TransformType {
 				guard let data = _data else { return nil }
 				
         do {
-            let decoder = JSONDecoder()
             let item = try decoder.decode(T.self, from: data)
             return item
         } catch {
@@ -62,7 +66,6 @@ open class CodableTransform<T: Codable>: TransformType {
             return nil
         }
         do {
-            let encoder = JSONEncoder()
             let data = try encoder.encode(item)
             let dictionary = try JSONSerialization.jsonObject(with: data, options: .allowFragments)
             return dictionary