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/DataSet.php b/src/DataSet.php
index e9816b1..326bc04 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 Mon Sep 20 17:44:29 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',
@@ -633,7 +639,7 @@ class DataSet
             'name'     => 'misc crawler',
             'type'     => 'full',
             'category' => 'crawler',
-        ),
+        )
     );
 
     public static function get($label)
diff --git a/woothee b/woothee
index 1d21d7c..f8da19e 160000
--- a/woothee
+++ b/woothee
@@ -1 +1 @@
-Subproject commit 1d21d7cbfd57b568e964cdd2ef98f9e046512628
+Subproject commit f8da19ec0f0d602ccd98e23dce9c79bd78dc857d