diff --git a/README.md b/README.md
index 4585f43..7c72c5c 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,7 @@ if (bowser.msie && bowser.version <= 6) {
   * Bada browser as `bada`[`webkit`]
   * Tizen browser as `tizen`[`webkit`]
   * Sailfish browser as `sailfish`[`gecko`]
+  * Vivaldi browser as `vivaldi`[`webkit`]
 
 For all detected browsers the browser version is set in the `version` field.
 
diff --git a/src/bowser.js b/src/bowser.js
index cefeee2..1a2208f 100644
--- a/src/bowser.js
+++ b/src/bowser.js
@@ -65,14 +65,23 @@
       , msie: t
       , version: getFirstMatch(/(?:msie |rv:)(\d+(\.\d+)?)/i)
       }
-    } else if (chromeBook) {
+    }
+	else if (/vivaldi/i.test(ua)) {
+		result = {
+			name: 'Vivaldi'
+			, vivaldi: t
+			, version: getFirstMatch(/vivaldi\/(\d+(\.\d+)?)/i) || versionIdentifier
+		}
+	}
+	else if (chromeBook) {
       result = {
         name: 'Chrome'
       , chromeBook: t
       , chrome: t
       , version: getFirstMatch(/(?:chrome|crios|crmo)\/(\d+(\.\d+)?)/i)
       }
-    } else if (/chrome.+? edge/i.test(ua)) {
+    }
+	else if (/chrome.+? edge/i.test(ua)) {
       result = {
         name: 'Microsoft Edge'
       , msedge: t
@@ -241,6 +250,7 @@
         (result.chrome && result.version >= 20) ||
         (result.firefox && result.version >= 20.0) ||
         (result.safari && result.version >= 6) ||
+		(result.vivaldi && result.version >= 1) ||
         (result.opera && result.version >= 10.0) ||
         (result.ios && result.osversion && result.osversion.split(".")[0] >= 6) ||
         (result.blackberry && result.version >= 10.1)
diff --git a/src/useragents.js b/src/useragents.js
index 9a4263a..602d17d 100644
--- a/src/useragents.js
+++ b/src/useragents.js
@@ -964,6 +964,20 @@ module.exports.useragents = {
       , x: true
       }
     }
+	, Vivaldi: {
+		'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.99 Safari/537.36 Vivaldi/1.0.303.52': {
+			vivaldi: true,
+			version: '1.0',
+			webkit: true,
+			a: true
+		},
+		'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.99 Safari/537.36 Vivaldi/1.0.303.52': {
+			vivaldi: true,
+			version: '1.0',
+			webkit: true,
+			a: true
+		}
+	}
   , Generic: {
     'Generic/2.15 libww': {
       name: 'Generic'