README.md in fastlane-2.8.0

- old
+ new

@@ -29,10 +29,10 @@
 scan
 ============
 
 [![Twitter: @FastlaneTools](https://img.shields.io/badge/contact-@FastlaneTools-blue.svg?style=flat)](https://twitter.com/FastlaneTools)
 [![License](https://img.shields.io/badge/license-MIT-green.svg?style=flat)](https://github.com/fastlane/fastlane/blob/master/scan/LICENSE)
-[![Gem](https://img.shields.io/gem/v/scan.svg?style=flat)](http://rubygems.org/gems/scan)
+[![Gem](https://img.shields.io/gem/v/scan.svg?style=flat)](https://rubygems.org/gems/scan)
 
 ###### The easiest way to run tests of your iOS and Mac app
 
 `scan` makes it easy to run tests of your iOS and Mac app on a simulator or connected device.
 