diff --git a/src/AgentCategory/Browser/SafariChrome.php b/src/AgentCategory/Browser/SafariChrome.php
index 461276e..8edea75 100644
--- a/src/AgentCategory/Browser/SafariChrome.php
+++ b/src/AgentCategory/Browser/SafariChrome.php
@@ -83,6 +83,14 @@ public static function challenge($ua, &$result)
             return true;
         }
 
+        if (preg_match('@GSA/([.0-9]+)@', $ua, $matches)) {
+            $version = $matches[1];
+            static::updateMap($result, DataSet::get('GSA'));
+            static::updateVersion($result, $version);
+
+            return true;;
+        }
+
         if (preg_match('/Version\/([.0-9]+)/uD', $ua, $matches)) {
             $version = $matches[1];
         }
diff --git a/src/AgentCategory/Browser/SamsungBrowser.php b/src/AgentCategory/Browser/SamsungBrowser.php
new file mode 100644
index 0000000..8036343
--- /dev/null
+++ b/src/AgentCategory/Browser/SamsungBrowser.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace Woothee\AgentCategory\Browser;
+
+use Woothee\AgentCategory\AbstractCategory;
+use Woothee\DataSet;
+
+class SamsungBrowser extends AbstractCategory
+{
+    public static function challenge($ua, &$result)
+    {
+        if (strpos($ua, 'SamsungBrowser/') === false) {
+            return false;
+        }
+
+        $version = DataSet::VALUE_UNKNOWN;
+
+        if (preg_match('/SamsungBrowser\/([.0-9]+)/Du', $ua, $matches)) {
+            $version = $matches[1];
+        }
+
+        static::updateMap($result, DataSet::get('SamsungBrowser'));
+        static::updateVersion($result, $version);
+
+        return true;
+    }
+}
diff --git a/src/AgentCategory/Crawler/Google.php b/src/AgentCategory/Crawler/Google.php
index 11bc20b..86ad3d8 100644
--- a/src/AgentCategory/Crawler/Google.php
+++ b/src/AgentCategory/Crawler/Google.php
@@ -25,6 +25,18 @@ public static function challenge($ua, &$result)
             }
         }
 
+        if (strpos($ua, 'compatible; AdsBot-Google-Mobile;') !== false) {
+            static::updateMap($result, DataSet::get('AdsBotGoogleMobile'));
+
+            return true;
+        }
+
+        if (strpos($ua, 'AdsBot-Google') === 0) {
+            static::updateMap($result, DataSet::get('AdsBotGoogle'));
+
+            return true;
+        }
+
         if (strpos($ua, 'Googlebot-Image/') !== false) {
             static::updateMap($result, DataSet::get('GoogleBot'));
 
diff --git a/src/Classifier.php b/src/Classifier.php
index 36e3443..3268f6d 100644
--- a/src/Classifier.php
+++ b/src/Classifier.php
@@ -9,6 +9,7 @@
 use Woothee\AgentCategory\Browser\Msie;
 use Woothee\AgentCategory\Browser\Opera;
 use Woothee\AgentCategory\Browser\SafariChrome;
+use Woothee\AgentCategory\Browser\SamsungBrowser;
 use Woothee\AgentCategory\Browser\Sleipnir;
 use Woothee\AgentCategory\Browser\Vivaldi;
 use Woothee\AgentCategory\Browser\Webview;
@@ -76,6 +77,10 @@ public function tryBrowser($ua, &$result)
             return true;
         }
 
+        if (SamsungBrowser::challenge($ua, $result)) {
+            return true;
+        }
+
         if (SafariChrome::challenge($ua, $result)) {
             return true;
         }
diff --git a/src/DataSet.php b/src/DataSet.php
index e9816b1..5409c59 100644
--- a/src/DataSet.php
+++ b/src/DataSet.php
@@ -1,7 +1,7 @@
 <?php
 namespace Woothee;
 
-// GENERATED from dataset.yml at Sun Jul 22 02:46:33 JST 2018 by tell_k
+// GENERATED from dataset.yml at Sat Sep 25 04:34:00 UTC 2021 by tadsan
 class DataSet
 {
     const DATASET_KEY_LABEL            = 'label';
@@ -100,6 +100,12 @@ class DataSet
             'type'     => 'browser',
             'vendor'   => 'Fenrir Inc.',
         ),
+        'GSA' => array(
+            'label'    => 'GSA',
+            'name'     => 'Google Search App',
+            'type'     => 'browser',
+            'vendor'   => 'Google',
+        ),
         'Webview' => array(
             'label'    => 'Webview',
             'name'     => 'Webview',
@@ -112,6 +118,12 @@ class DataSet
             'type'     => 'browser',
             'vendor'   => 'Yandex',
         ),
+        'SamsungBrowser' => array(
+            'label'    => 'SamsungBrowser',
+            'name'     => 'SamsungBrowser',
+            'type'     => 'browser',
+            'vendor'   => 'Samsung',
+        ),
         'Win' => array(
             'label'    => 'Win',
             'name'     => 'Windows UNKNOWN Ver',
@@ -634,6 +646,18 @@ class DataSet
             'type'     => 'full',
             'category' => 'crawler',
         ),
+        'AdsBotGoogleMobile' => array(
+            'label'    => 'AdsBotGoogleMobile',
+            'name'     => 'AdsBot-Google-Mobile',
+            'type'     => 'full',
+            'category' => 'crawler',
+        ),
+        'AdsBotGoogle' => array(
+            'label'    => 'AdsBotGoogle',
+            'name'     => 'AdsBot-Google',
+            'type'     => 'full',
+            'category' => 'crawler',
+        )
     );
 
     public static function get($label)
diff --git a/woothee b/woothee
index 1d21d7c..7ea09a7 160000
--- a/woothee
+++ b/woothee
@@ -1 +1 @@
-Subproject commit 1d21d7cbfd57b568e964cdd2ef98f9e046512628
+Subproject commit 7ea09a7bd37572119174832881e0c2506cb41791