diff --git a/tests/FontAwesomeTest.php b/tests/FontAwesomeTest.php
index 0c27f74..70babd0 100755
--- a/tests/FontAwesomeTest.php
+++ b/tests/FontAwesomeTest.php
@@ -38,10 +38,12 @@ public function testApplyingTransformationClassThatDoesntExistAsModifier()
     {
         echo $this->fa->upsideDown('twitter');
     }
-    
+
     public function testCdnLinkOutput()
     {
-        $this->expectOutputString('<link href="//netdna.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css" rel="stylesheet">');
+        $this->expectOutputString(
+            '<link rel="stylesheet" href="https://opensource.keycdn.com/fontawesome/4.7.0/font-awesome.min.css" integrity="sha384-dNpIIXE8U05kAbPhy3G1cz+yZmTzA6CY8Vg/u2L9xRnHjJiAK76m2BIEaSEV+/aU" crossorigin="anonymous">'
+        );
 
         echo FontAwesome::css();
     }