diff --git a/README.md b/README.md
index 2ec66323..7441b005 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Spring
 
 [![Build Status](https://travis-ci.org/rails/spring.svg?branch=master)](https://travis-ci.org/rails/spring)
-[![Gem Version](https://badge.fury.io/rb/spring.svg)](http://badge.fury.io/rb/spring)
+[![Gem Version](https://badge.fury.io/rb/spring.svg)](https://badge.fury.io/rb/spring)
 
 Spring is a Rails application preloader. It speeds up development by
 keeping your application running in the background so you don't need to
diff --git a/lib/spring/json.rb b/lib/spring/json.rb
index 005eb5df..c6d23923 100644
--- a/lib/spring/json.rb
+++ b/lib/spring/json.rb
@@ -49,8 +49,8 @@ def self.dump(data)
 require 'stringio'
 
 # Some parts adapted from
-# http://golang.org/src/pkg/json/decode.go and
-# http://golang.org/src/pkg/utf8/utf8.go
+# https://golang.org/src/pkg/json/decode.go and
+# https://golang.org/src/pkg/utf8/utf8.go
 module Spring
 module OkJson
   Upstream = '43'