diff --git a/Gemfile b/Gemfile
index 6e8adef..d25ee16 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,5 +13,6 @@ gem 'codeclimate-test-reporter', '~> 1.0', '>= 1.0.8'
 gem "better_errors"
 gem "binding_of_caller"
 gem 'bugsnag', '~> 6.10'
+gem 'rack-cors'
 #gem 'rubocop', '~> 0.49.1', require: false
 
diff --git a/config.ru b/config.ru
index 5d78796..67c7256 100644
--- a/config.ru
+++ b/config.ru
@@ -6,4 +6,11 @@ require 'bundler'
 Bundler.require
 require './app.rb'
 
+use Rack::Cors do
+  allow do
+    origins '*'
+    resource '*', headers: :any, methods: [:get, :post, :options]
+  end
+end
+
 run Sinatra::Application