diff --git a/.gitignore b/.gitignore
index 0192128693..84548c0138 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,3 +41,4 @@ package-lock.json
 yarn-debug.log*
 .yarn-integrity
 fetch_config.rb
+coverage
diff --git a/Gemfile b/Gemfile
index 805d371720..ceb33cb016 100644
--- a/Gemfile
+++ b/Gemfile
@@ -132,4 +132,5 @@ group :test do
   gem 'capybara-screenshot'
   gem 'flipper-active_support_cache_store'
   gem 'webmock'
+  gem 'simplecov' , require: false
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 5489c44fde..044fddbb8a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -193,6 +193,7 @@ GEM
       rack-protection (>= 1.5.5)
       sinatra (>= 1.4.4)
     diff-lcs (1.4.4)
+    docile (1.4.0)
     dotenv (2.7.6)
     dotenv-rails (2.7.6)
       dotenv (= 2.7.6)
@@ -491,6 +492,12 @@ GEM
       faraday
     shoulda-matchers (4.5.1)
       activesupport (>= 4.2.0)
+    simplecov (0.21.2)
+      docile (~> 1.1)
+      simplecov-html (~> 0.11)
+      simplecov_json_formatter (~> 0.1)
+    simplecov-html (0.12.3)
+    simplecov_json_formatter (0.1.3)
     sinatra (2.1.0)
       mustermann (~> 1.0)
       rack (~> 2.2)
@@ -628,6 +635,7 @@ DEPENDENCIES
   sentry-rails
   sentry-ruby
   shoulda-matchers (~> 4.5)
+  simplecov
   spring
   spring-commands-rspec
   spring-watcher-listen (~> 2.0.0)
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index bc3bcfce3d..a666900a0f 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -18,6 +18,20 @@
 # it.
 #
 # See http://rubydoc.info/gems/rspec-core/RSpec/Core/Configuration
+
+require "simplecov"
+require "simplecov_json_formatter"
+SimpleCov.start "rails" do
+  add_filter "/bin/"
+  add_filter "/db/"
+  add_filter "/spec/"
+
+  formatter SimpleCov::Formatter::MultiFormatter.new [
+    SimpleCov::Formatter::HTMLFormatter,
+    SimpleCov::Formatter::JSONFormatter,
+  ]
+end
+
 RSpec.configure do |config|
   # rspec-expectations config goes here. You can use an alternate
   # assertion/expectation library such as wrong or the stdlib/minitest