diff --git a/Gemfile b/Gemfile
index 0e53cdb60..a58648a1c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -86,9 +86,6 @@ group :development do
 end
 
 group :development, :test do
-  gem 'selenium-webdriver'
-
-  # debug
   gem 'pry', '0.10.1'
 
   gem 'bullet',        '4.14.7' # for finding database optimizations
@@ -102,5 +99,6 @@ group :test do
   gem 'capybara'
   gem 'database_cleaner'
   gem 'simplecov', require: false
+  gem 'webdrivers'
   gem 'webmock'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 8c140d0f0..0c83297e7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -131,8 +131,7 @@ GEM
       rack-test (>= 0.6.3)
       regexp_parser (~> 1.5)
       xpath (~> 3.2)
-    childprocess (0.9.0)
-      ffi (~> 1.0, >= 1.0.11)
+    childprocess (3.0.0)
     chronic (0.10.2)
     coderay (1.1.0)
     coercible (1.0.0)
@@ -332,7 +331,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.6.0)
     rspec-support (3.6.0)
-    rubyzip (1.3.0)
+    rubyzip (2.0.0)
     safe_yaml (1.0.5)
     sass (3.4.23)
     sass-rails (5.0.6)
@@ -358,9 +357,9 @@ GEM
     select2-rails (3.5.9.3)
       thor (~> 0.14)
     selectize-rails (0.12.1)
-    selenium-webdriver (3.13.0)
-      childprocess (~> 0.5)
-      rubyzip (~> 1.2)
+    selenium-webdriver (3.142.6)
+      childprocess (>= 0.5, < 4.0)
+      rubyzip (>= 1.2.2)
     simplecov (0.16.1)
       docile (~> 1.1)
       json (>= 1.8, < 3)
@@ -406,6 +405,10 @@ GEM
     wasabi (3.5.0)
       httpi (~> 2.0)
       nokogiri (>= 1.4.2)
+    webdrivers (4.1.3)
+      nokogiri (~> 1.6)
+      rubyzip (>= 1.3.0)
+      selenium-webdriver (>= 3.0, < 4.0)
     webmock (3.6.0)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
@@ -467,12 +470,12 @@ DEPENDENCIES
   sdoc (= 0.4.1)
   select2-rails (= 3.5.9.3)
   selectize-rails (= 0.12.1)
-  selenium-webdriver
   simplecov
   simpleidn (= 0.0.7)
   uglifier
   uuidtools (= 2.1.5)
   validates_email_format_of (= 1.6.3)
+  webdrivers
   webmock
   whenever (= 0.9.4)