diff --git a/Gemfile b/Gemfile
index 111478fa1b..d331e66765 100644
--- a/Gemfile
+++ b/Gemfile
@@ -51,6 +51,7 @@ group :development, :test do
   # The following gems aids with the nuts and bolts
   # of interacting with the browser.
   gem 'database_cleaner', '~> 1.8', '>= 1.8.5'
+  gem 'selenium-webdriver', '~> 3.142', '>= 3.142.7'
 end
 
 group :test do
diff --git a/Gemfile.lock b/Gemfile.lock
index 4b145e49b5..d6e5d73a36 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -60,6 +60,7 @@ GEM
       rack-test (>= 0.6.3)
       regexp_parser (~> 1.5)
       xpath (~> 3.2)
+    childprocess (3.0.0)
     coffee-rails (4.2.2)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0)
@@ -192,6 +193,7 @@ GEM
       rubocop (>= 0.72.0)
     ruby-progressbar (1.10.1)
     ruby_dep (1.5.0)
+    rubyzip (2.3.0)
     sass (3.7.4)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
@@ -203,6 +205,9 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
+    selenium-webdriver (3.142.7)
+      childprocess (>= 0.5, < 4.0)
+      rubyzip (>= 1.2.2)
     shoulda-matchers (4.3.0)
       activesupport (>= 4.2.0)
     spring (2.1.0)
@@ -263,6 +268,7 @@ DEPENDENCIES
   rubocop
   rubocop-rails
   sass-rails (~> 5.0)
+  selenium-webdriver (~> 3.142, >= 3.142.7)
   shoulda-matchers
   spring
   spring-watcher-listen (~> 2.0.0)