diff --git a/Gemfile b/Gemfile
index 2f4bb81a2..361440368 100644
--- a/Gemfile
+++ b/Gemfile
@@ -64,6 +64,7 @@ group :test do
   gem 'capybara', '~> 3.13'
   gem 'selenium-webdriver', '~> 3.141'
   gem 'chromedriver-helper', '~> 2.1'
+  gem 'simplecov', '~> 0.16.1', require: false
 end
 
 group :production do
diff --git a/Gemfile.lock b/Gemfile.lock
index 6d0cfa9fe..20335b45e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -122,6 +122,7 @@ GEM
       responders
       warden (~> 1.2.3)
     diff-lcs (1.3)
+    docile (1.3.1)
     domain_name (0.5.20170223)
       unf (>= 0.0.5, < 1.0.0)
     dotenv (2.7.1)
@@ -349,6 +350,11 @@ GEM
     simple_form (3.1.0)
       actionpack (~> 4.0)
       activemodel (~> 4.0)
+    simplecov (0.16.1)
+      docile (~> 1.1)
+      json (>= 1.8, < 3)
+      simplecov-html (~> 0.10.0)
+    simplecov-html (0.10.2)
     skylight (2.0.1)
       skylight-core (= 2.0.1)
     skylight-core (2.0.1)
@@ -442,6 +448,7 @@ DEPENDENCIES
   sidekiq (= 5.1.3)
   sidekiq-cron (= 0.6.3)
   simple_form (>= 3.0.0)
+  simplecov (~> 0.16.1)
   skylight
   uglifier (= 2.7.2)
   unicorn
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 946559b7a..7a75c877f 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,4 +1,6 @@
-# This file is copied to spec/ when you run 'rails generate rspec:install'
+require 'simplecov'
+SimpleCov.start 'rails'
+
 ENV["RAILS_ENV"] ||= 'test'
 ENV["ADMINS"] = "admin@timeoverflow.org"