diff --git a/src/UserAgent/Browsers.php b/src/UserAgent/Browsers.php
index 55a4894..990ed7b 100644
--- a/src/UserAgent/Browsers.php
+++ b/src/UserAgent/Browsers.php
@@ -31,6 +31,7 @@ interface Browsers {
 	const IMESSAGEBOT         = 'iMessageBot';
 	const KINDLE              = 'Kindle';
 	const LYNX                = 'Lynx';
+	const MASTODON            = 'Mastodon';
 	const MIDORI              = 'Midori';
 	const MIUIBROWSER         = 'MiuiBrowser';
 	const MSIE                = 'MSIE';
diff --git a/src/UserAgentParser.php b/src/UserAgentParser.php
index 3a144f3..1da2734 100644
--- a/src/UserAgentParser.php
+++ b/src/UserAgentParser.php
@@ -100,7 +100,7 @@ function parse_user_agent( $u_agent = null ) {
 TizenBrowser|(?:Headless)?Chrome|YaBrowser|Vivaldi|IEMobile|Opera|OPR|Silk|Midori|(?-i:Edge)|EdgA?|CriOS|UCBrowser|Puffin|
 OculusBrowser|SamsungBrowser|SailfishBrowser|XiaoMi/MiuiBrowser|YaApp_Android|
 Baiduspider|Applebot|Facebot|Googlebot|YandexBot|bingbot|Lynx|Version|Wget|curl|ChatGPT-User|GPTBot|OAI-SearchBot|
-Valve\ Steam\ Tenfoot|
+Valve\ Steam\ Tenfoot|Mastodon|
 NintendoBrowser|PLAYSTATION\ (?:\d|Vita)+)
 \)?;?
 (?:[:/ ](?P<version>[0-9A-Z.]+)|/[A-Z]*)
@@ -188,7 +188,7 @@ function parse_user_agent( $u_agent = null ) {
 					}
 				}
 			}
-		} elseif( $find([ 'Applebot', 'IEMobile', 'Edge', 'Midori', 'Vivaldi', 'OculusBrowser', 'SamsungBrowser', 'Valve Steam Tenfoot', 'Chrome', 'HeadlessChrome', 'SailfishBrowser' ], $key, $browser) ) {
+		} elseif( $find([ 'Googlebot', 'Applebot', 'IEMobile', 'Edge', 'Midori', 'Vivaldi', 'OculusBrowser', 'SamsungBrowser', 'Valve Steam Tenfoot', 'Chrome', 'HeadlessChrome', 'SailfishBrowser' ], $key, $browser) ) {
 			$version = $result[BROWSER_VERSION][$key];
 		} elseif( $rv_result && $find('Trident') ) {
 			$browser = 'MSIE';
diff --git a/tests/user_agents.dist.json b/tests/user_agents.dist.json
index a22053b..ef8e155 100644
--- a/tests/user_agents.dist.json
+++ b/tests/user_agents.dist.json
@@ -744,6 +744,11 @@
 		"browser": "Firefox",
 		"version": "84.0"
 	},
+	"Mozilla\/5.0 (Linux; Android 6.0.1; Nexus 5X Build\/MMB29P) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/90.0.4430.97 Mobile Safari\/537.36 (compatible; Googlebot\/2.1; +http:\/\/www.google.com\/bot.html)": {
+		"platform": "Android",
+		"browser": "Googlebot",
+		"version": "2.1"
+	},
 	"Mozilla\/5.0 (Linux; U; Android 8.1.0; en-gb; Redmi Note 5 Build\/OPM1.171019.011)\nAppleWebKit\/537.36 (KHTML, like Gecko) Version\/4.0 Chrome\/61.0.3163.128 Mobile\nSafari\/537.36 XiaoMi\/MiuiBrowser\/10.1.2": {
 		"platform": "Android",
 		"browser": "MiuiBrowser",
@@ -1429,6 +1434,11 @@
 		"browser": "Googlebot",
 		"version": "1.3"
 	},
+	"Chrome\/90.0.4430.97 Mobile Safari\/537.36 (compatible; Googlebot\/2.1; +http:\/\/www.google.com\/bot.html)": {
+		"platform": null,
+		"browser": "Googlebot",
+		"version": "2.1"
+	},
 	"Mozilla\/5.0 (compatible; Googlebot\/2.1; +http:\/\/www.google.com\/bot.html)": {
 		"platform": null,
 		"browser": "Googlebot",
@@ -1454,6 +1464,16 @@
 		"browser": "Lynx",
 		"version": "2.8.6rel.4"
 	},
+	"http.rb\/5.1.1 (Mastodon\/4.2.5; +https:\/\/m.t-8.me\/)": {
+		"platform": null,
+		"browser": "Mastodon",
+		"version": "4.2.5"
+	},
+	"http.rb\/5.2.0 (Mastodon\/4.3.0-alpha.3; +https:\/\/mstdn.social\/)": {
+		"platform": null,
+		"browser": "Mastodon",
+		"version": "4.3.0"
+	},
 	"msnbot-media\/1.1 (+http:\/\/search.msn.com\/msnbot.htm)": {
 		"platform": null,
 		"browser": "msnbot-media",