diff --git a/CHANGELOG.md b/CHANGELOG.md
index 84d3137d..b367171e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 0.5.2 - 2015-08-24
+ * Added a constructor for ItemIdType
+
 ## 0.5.1 - 2015-08-24
  * Added an example for sending mail
 
diff --git a/src/API/Type/ItemIdType.php b/src/API/Type/ItemIdType.php
index edc3d96f..94d5c045 100644
--- a/src/API/Type/ItemIdType.php
+++ b/src/API/Type/ItemIdType.php
@@ -16,6 +16,12 @@
 class ItemIdType extends BaseItemIdType
 {
 
+    public function __construct($id, $changeKey)
+    {
+        $this->id = $id;
+        $this->changeKey = $changeKey;
+    }
+
     /**
      * @var string
      */