diff --git a/Gemfile b/Gemfile
index ad7a2096..cd9aba56 100644
--- a/Gemfile
+++ b/Gemfile
@@ -66,7 +66,8 @@ end
 group :test do
   # Pull in the fix for rails-dom-testing issue #42
   # TODO: Remove with Rails 5 and rails-dom-testing 2.x
-    gem 'rails-dom-testing', :git => 'https://github.com/rails/rails-dom-testing', :ref => 'a64f30514ee65f172c43f42cfd4500b5e11a561a'
+    gem 'rails-dom-testing', git: 'https://github.com/rails/rails-dom-testing', ref: 'a64f30514ee65f172c43f42cfd4500b5e11a561a'
+
 
   gem "factory_girl_rails"
   gem "rspec-expectations"