diff --git a/CHANGES.md b/CHANGES.md
index 15ddba4..49ce48e 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,7 @@
+## v0.6.2.1 2016-07-26 18:27:00+0300
+
+* Added Sprockets 4 support. Thanks to @mihai-dinculescu
+
 ## v0.6.2 2015-07-27 21:52:50+0300
 
 * Updated to TS v1.6.2
diff --git a/lib/typescript/rails/version.rb b/lib/typescript/rails/version.rb
index cd882cc..fb8fd07 100644
--- a/lib/typescript/rails/version.rb
+++ b/lib/typescript/rails/version.rb
@@ -1,5 +1,5 @@
 module Typescript
   module Rails
-    VERSION = '0.6.2'
+    VERSION = '0.6.2.1'
   end
 end
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 4977a39..b2e69a1 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -3,7 +3,7 @@
 require 'coveralls'
 require 'simplecov'
 
-SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter[
+SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter.new[
     SimpleCov::Formatter::HTMLFormatter,
     Coveralls::SimpleCov::Formatter
 ]
@@ -12,15 +12,15 @@
 end
 
 # Configure Rails environment
-ENV["RAILS_ENV"] = "test"
+ENV['RAILS_ENV'] = 'test'
 
 require 'rails'
-require "rails/test_help"
+require 'rails/test_help'
 require 'minitest-power_assert'
 
 def copy_routes
-  routes = File.expand_path("../support/routes.rb", __FILE__)
-  destination = File.join(destination_root, "config")
+  routes = File.expand_path('../support/routes.rb', __FILE__)
+  destination = File.join(destination_root, 'config')
 
   FileUtils.mkdir_p(destination)
   FileUtils.cp routes, destination