diff --git a/CHANGELOG.md b/CHANGELOG.md
index cd3741e..0cdd293 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 # Changelog
 
 All Notable changes to `laravel-search-console` will be documented in this file.
+## [1.7.1] - 2021-04-11
+- Add 'AggregationType' request and response parameter
+
 ## [1.7.0] - 2021-04-11
 - Add 'dataState' request and response parameter
 
diff --git a/README.md b/README.md
index a45e594..eebdb6f 100644
--- a/README.md
+++ b/README.md
@@ -113,7 +113,8 @@ $sites = SearchConsole::setAccessToken($token)->listSites();
             [['dimension' => 'query', 'operator' => 'notContains', 'expression' => 'cheesecake']],
             1000,
             'web',
-            'all'
+            'all',
+            'auto'
         );
 ```
 
@@ -130,7 +131,7 @@ public function public function listSites(): Collection
 
 ### Retrieve Search Analytics Data
 ```php
-public function searchAnalyticsQuery(string $siteUrl, Period $period, array $dimensions = [], array $filters = [], int $rows = 1000, string $searchType = 'web', string $dataState = 'final'): Collection
+public function searchAnalyticsQuery(string $siteUrl, Period $period, array $dimensions = [], array $filters = [], int $rows = 1000, string $searchType = 'web', string $dataState = 'final', string $aggregationType = 'auto'): Collection
 ```
 
 ### Check Access Token
diff --git a/src/ExponentialBackoff.php b/src/ExponentialBackoff.php
index 3612956..3d286eb 100644
--- a/src/ExponentialBackoff.php
+++ b/src/ExponentialBackoff.php
@@ -61,7 +61,7 @@ public function execute(callable $function, array $arguments = [])
                     }
                 }
 
-                if ($exception->getCode() == 401 || $exception->getCode() == 403) {
+                if ($exception->getCode() >= 400 && $exception->getCode() <= 499) {
                     break;
                 }
 
diff --git a/src/SearchConsole.php b/src/SearchConsole.php
index c1b2b86..2481a49 100644
--- a/src/SearchConsole.php
+++ b/src/SearchConsole.php
@@ -95,10 +95,11 @@ public function listSites()
      * @param int $rows
      * @param string $searchType
      * @param string $dataState
+     * @param string $aggregationType
      * @return Collection
      * @throws \Exception
      */
-    public function searchAnalyticsQuery(string $siteUrl, Period $period, array $dimensions = [], array $filters = [], int $rows = 1000, string $searchType = 'web', string $dataState = 'final')
+    public function searchAnalyticsQuery(string $siteUrl, Period $period, array $dimensions = [], array $filters = [], int $rows = 1000, string $searchType = 'web', string $dataState = 'final', string $aggregationType = 'auto')
     {
         $request = new Google_Service_Webmasters_SearchAnalyticsQueryRequest();
         $request->setStartDate($period->startDate->toDateString());
@@ -106,6 +107,7 @@ public function searchAnalyticsQuery(string $siteUrl, Period $period, array $dim
         $request->setSearchType($searchType);
         $request->setDimensions($dimensions);
         $request->setDataState($dataState);
+        $request->setAggregationType($aggregationType);
         $request = $this->applyFilters($request, $filters);
 
         return $this->client->performQuery($siteUrl, $rows, $request);
diff --git a/src/SearchConsoleClient.php b/src/SearchConsoleClient.php
index 50d4543..c3e5029 100644
--- a/src/SearchConsoleClient.php
+++ b/src/SearchConsoleClient.php
@@ -82,6 +82,7 @@ public function performQuery($siteUrl, $rows, $request): Collection
                 $item['position'] = $row->getPosition();
                 $item['searchType'] = $request->getSearchType();
                 $item['dataState'] = $request->getDataState();
+                $item['aggregationType'] = $request->getAggregationType();
 
                 $dataRows->put($uniqueHash, $item);
             }