app/assets/javascripts/highcharts/themes/sand-signika.js in highcharts-rails-4.2.4 vs app/assets/javascripts/highcharts/themes/sand-signika.js in highcharts-rails-4.2.5

@@ -3,10 +3,10 @@
  * @author Torstein Honsi
  */
 
 // Load the fonts
 Highcharts.createElement('link', {
-	href: '//fonts.googleapis.com/css?family=Signika:400,700',
+	href: 'https://fonts.googleapis.com/css?family=Signika:400,700',
 	rel: 'stylesheet',
 	type: 'text/css'
 }, null, document.getElementsByTagName('head')[0]);
 
 // Add the background image to the container