diff --git a/index.js b/index.js
index 66fdb54..35680f8 100644
--- a/index.js
+++ b/index.js
@@ -30,7 +30,8 @@ const countryCodes = new Set([
   'th', // Thailand
   'br', // Brazil
   'eg', // Egypt
-  'za' // South Africa
+  'za', // South Africa
+  'uk'  // United Kingdom
 ])
 
 /**