diff --git a/lib/model.js b/lib/model.js
index 0a8dabb..27defee 100644
--- a/lib/model.js
+++ b/lib/model.js
@@ -57,6 +57,12 @@ var DynamoModel = function (tableName, schema, options) {
         if (err) throw err;
     }
 
+    DynamoModel.prototype.changeAWSObject = function (_AWS, options) {
+        options = options || {};
+
+        this.dynamodb = new _AWS.DynamoDB(options);
+    }
+
     DynamoModel.prototype.getItem = function (key, options, callback) {
         if (!key) throw new Error('key is required');
         if (typeof options === 'function') {