app/assets/images/flags/4x3/ru.svg in flag-icons-rails-3.1.0 vs app/assets/images/flags/4x3/ru.svg in flag-icons-rails-3.4.5

@@ -1,5 +1,5 @@
-<svg xmlns="http://www.w3.org/2000/svg" id="flag-icon-css-ru" width="640" height="480">
+<svg xmlns="http://www.w3.org/2000/svg" id="flag-icon-css-ru" viewBox="0 0 640 480">
   <g fill-rule="evenodd" stroke-width="1pt">
     <path fill="#fff" d="M0 0h640v480H0z"/>
     <path fill="#0039a6" d="M0 160h640v320H0z"/>
     <path fill="#d52b1e" d="M0 320h640v160H0z"/>
   </g>