diff --git a/src/enums/ua-parser-enums.js b/src/enums/ua-parser-enums.js
index 9d93f23..8fbee9b 100644
--- a/src/enums/ua-parser-enums.js
+++ b/src/enums/ua-parser-enums.js
@@ -52,6 +52,7 @@ const Browser = Object.freeze({
     FLOW: 'Flow',
     GO: 'GoBrowser',
     GOOGLE_SEARCH: 'GSA',
+    HELIO: 'Helio',
     HEYTAP: 'HeyTap',
     HUAWEI: 'Huawei Browser',
     ICAB: 'iCab',
@@ -343,7 +344,6 @@ const OS = Object.freeze({
     UBUNTU: 'Ubuntu',
     UNIX: 'Unix',
     VECTORLINUX: 'VectorLinux',
-    VIERA: 'Viera',
     WATCHOS: 'watchOS',
     WEBOS: 'WebOS',
     WINDOWS: 'Windows',
diff --git a/src/main/ua-parser.js b/src/main/ua-parser.js
index c7034f6..1ca7363 100755
--- a/src/main/ua-parser.js
+++ b/src/main/ua-parser.js
@@ -327,8 +327,8 @@
             /(?:ms|\()(ie) ([\w\.]+)/i,                                         // Internet Explorer
 
             // Webkit/KHTML based                                               // Flock/RockMelt/Midori/Epiphany/Silk/Skyfire/Bolt/Iron/Iridium/PhantomJS/Bowser/QupZilla/Falkon
-            /(flock|rockmelt|midori|epiphany|silk|skyfire|ovibrowser|bolt|iron|vivaldi|iridium|phantomjs|bowser|quark|qupzilla|falkon|rekonq|puffin|brave|whale(?!.+naver)|qqbrowserlite|duckduckgo|klar)\/([-\w\.]+)/i,
-                                                                                // Rekonq/Puffin/Brave/Whale/QQBrowserLite/QQ//Vivaldi/DuckDuckGo/Klar
+            /(flock|rockmelt|midori|epiphany|silk|skyfire|ovibrowser|bolt|iron|vivaldi|iridium|phantomjs|bowser|quark|qupzilla|falkon|rekonq|puffin|brave|whale(?!.+naver)|qqbrowserlite|duckduckgo|klar|helio)\/([-\w\.]+)/i,
+                                                                                // Rekonq/Puffin/Brave/Whale/QQBrowserLite/QQ//Vivaldi/DuckDuckGo/Klar/Helio
             /(heytap|ovi)browser\/([\d\.]+)/i,                                  // HeyTap/Ovi
             /(weibo)__([\d\.]+)/i                                               // Weibo
             ], [NAME, VERSION], [
diff --git a/test/specs/browser-all.json b/test/specs/browser-all.json
index 880ba08..71ae6f0 100644
--- a/test/specs/browser-all.json
+++ b/test/specs/browser-all.json
@@ -698,6 +698,16 @@
             "major"   : "1"
         }
     },
+    {
+        "desc"    : "Helio",
+        "ua"      : "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Helio/0.98.20",
+        "expect"  :
+        {
+            "name"    : "Helio",
+            "version" : "0.98.20",
+            "major"   : "0"
+        }
+    },
     {
         "desc"    : "HeyTap",
         "ua"      : "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.61 Safari/537.36 HeyTapBrowser/40.8.10.1",