diff --git a/src/Analytics.php b/src/Analytics.php
index 12ce35e..93d343b 100644
--- a/src/Analytics.php
+++ b/src/Analytics.php
@@ -4,6 +4,7 @@
 
 use Carbon\Carbon;
 use Google_Service_Analytics;
+use Google_Service_Analytics_GaData;
 use Illuminate\Support\Collection;
 use Illuminate\Support\Traits\Macroable;
 
@@ -153,9 +154,9 @@ protected function summarizeTopBrowsers(Collection $topBrowsers, int $maxResults
      * @param string $metrics
      * @param array  $others
      *
-     * @return array|null
+     * @return Google_Service_Analytics_GaData|array|null
      */
-    public function performQuery(Period $period, string $metrics, array $others = []): array | null
+    public function performQuery(Period $period, string $metrics, array $others = []): Google_Service_Analytics_GaData | array | null
     {
         return $this->client->performQuery(
             $this->viewId,
diff --git a/src/AnalyticsClient.php b/src/AnalyticsClient.php
index d82b7a5..a4f1fc1 100644
--- a/src/AnalyticsClient.php
+++ b/src/AnalyticsClient.php
@@ -4,6 +4,7 @@
 
 use DateTimeInterface;
 use Google_Service_Analytics;
+use Google_Service_Analytics_GaData;
 use Illuminate\Contracts\Cache\Repository;
 
 class AnalyticsClient
@@ -33,9 +34,9 @@ public function setCacheLifeTimeInMinutes(int $cacheLifeTimeInMinutes): self
      * @param string $metrics
      * @param array $others
      *
-     * @return array|null
+     * @return Google_Service_Analytics_GaData|array|null
      */
-    public function performQuery(string $viewId, DateTimeInterface $startDate, DateTimeInterface $endDate, string $metrics, array $others = []): array | null
+    public function performQuery(string $viewId, DateTimeInterface $startDate, DateTimeInterface $endDate, string $metrics, array $others = []): Google_Service_Analytics_GaData | array | null
     {
         $cacheName = $this->determineCacheName(func_get_args());