diff --git a/README.en.md b/README.en.md
index 01d05ca..7ee31d4 100644
--- a/README.en.md
+++ b/README.en.md
@@ -187,7 +187,7 @@ if (!$client->fetchAccessTokenFromCode()) {
 }
 
 // Get list from FavoriteBookmarkList API
-$client->execute('FavoriteBookmarkList', array(
+$response = $client->execute('FavoriteBookmarkList', array(
     'hits' => 10
 ));
 
diff --git a/lib/RakutenRws/Api/Definition/IchibaItemSearch.php b/lib/RakutenRws/Api/Definition/IchibaItemSearch.php
index c445670..6bf4f9d 100644
--- a/lib/RakutenRws/Api/Definition/IchibaItemSearch.php
+++ b/lib/RakutenRws/Api/Definition/IchibaItemSearch.php
@@ -21,6 +21,7 @@ class RakutenRws_Api_Definition_IchibaItemSearch extends RakutenRws_Api_AppRakut
         $autoSetIterator = true,
         $isRequiredAccessToken = false,
         $versionMap = array(
+            '2017-07-06' => '20170706',
             '2014-02-22' => '20140222',
             '2013-08-05' => '20130805',
             '2013-04-24' => '20130424',