diff --git a/lib/loadcss/rails/version.rb b/lib/loadcss/rails/version.rb
index a0a6a66..980a8d4 100644
--- a/lib/loadcss/rails/version.rb
+++ b/lib/loadcss/rails/version.rb
@@ -1,6 +1,6 @@
 module LoadCSS
   module Rails
-    VERSION = '1.2.2'
-    LOADCSS_VERSION = '1.2.1'
+    VERSION = '1.3.1'
+    LOADCSS_VERSION = '1.3.1'
   end
 end
diff --git a/vendor/assets/javascripts/cssrelpreload.js b/vendor/assets/javascripts/cssrelpreload.js
index 0b948cd..6c2ca62 100644
--- a/vendor/assets/javascripts/cssrelpreload.js
+++ b/vendor/assets/javascripts/cssrelpreload.js
@@ -1,4 +1,4 @@
-/*! CSS rel=preload polyfill. Depends on loadCSS function. [c]2016 @scottjehl, Filament Group, Inc. Licensed MIT  */
+/*! loadCSS rel=preload polyfill. [c]2017 Filament Group, Inc. MIT License */
 (function( w ){
   // rel=preload support test
   if( !w.loadCSS ){
@@ -19,7 +19,7 @@
     for( var i = 0; i < links.length; i++ ){
       var link = links[ i ];
       if( link.rel === "preload" && link.getAttribute( "as" ) === "style" ){
-        w.loadCSS( link.href, link );
+        w.loadCSS( link.href, link, link.getAttribute( "media" ) );
         link.rel = null;
       }
     }
diff --git a/vendor/assets/javascripts/loadCSS.js b/vendor/assets/javascripts/loadCSS.js
index 0f6c347..1c3b388 100644
--- a/vendor/assets/javascripts/loadCSS.js
+++ b/vendor/assets/javascripts/loadCSS.js
@@ -1,4 +1,4 @@
-/*! loadCSS: load a CSS file asynchronously. [c]2016 @scottjehl, Filament Group, Inc. Licensed MIT */
+/*! loadCSS. [c]2017 Filament Group, Inc. MIT License */
 (function(w){
   "use strict";
   /* exported loadCSS */
diff --git a/vendor/assets/javascripts/onloadCSS.js b/vendor/assets/javascripts/onloadCSS.js
index 15a2905..e5cb245 100644
--- a/vendor/assets/javascripts/onloadCSS.js
+++ b/vendor/assets/javascripts/onloadCSS.js
@@ -1,4 +1,4 @@
-/*! onloadCSS: adds onload support for asynchronous stylesheets loaded with loadCSS. [c]2016 @zachleat, Filament Group, Inc. Licensed MIT */
+/*! onloadCSS. (onload callback for loadCSS) [c]2017 Filament Group, Inc. MIT License */
 /* global navigator */
 /* exported onloadCSS */
 function onloadCSS( ss, callback ) {