diff --git a/src/useragents.js b/src/useragents.js
index de560c4..d7e2976 100644
--- a/src/useragents.js
+++ b/src/useragents.js
@@ -1021,6 +1021,22 @@ 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'
+			, mac: true
+			, 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'
+			, windows: true
+			, webkit: true
+			, c: true
+		}
+	}
   , Generic: {
     'Generic/2.15 libww': {
       name: 'Generic'