diff --git a/Gemfile b/Gemfile
index f075b4d8..548d01b8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -51,7 +51,7 @@ group :test do
   gem 'capybara'
   gem 'database_cleaner'
   gem 'poltergeist'
-  gem 'simplecov', '~> 0.7.1', require: false
+  gem 'simplecov', '~> 0.17.1', require: false
   gem 'webmock', '~> 3.2.1'
 end
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 64623feb..29c352c2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -109,7 +109,7 @@ GEM
       sort_alphabetical (~> 1.0)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
-    crass (1.0.4)
+    crass (1.0.5)
     database_cleaner (1.7.0)
     debug_inspector (0.0.3)
     descendants_tracker (0.0.4)
@@ -121,6 +121,7 @@ GEM
       responders
       warden (~> 1.2.3)
     diff-lcs (1.3)
+    docile (1.3.2)
     dotenv (2.2.2)
     dotenv-rails (2.2.2)
       dotenv (= 2.2.2)
@@ -178,6 +179,7 @@ GEM
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
+    json (2.3.0)
     kaminari (1.1.1)
       activesupport (>= 4.1.0)
       kaminari-actionview (= 1.1.1)
@@ -197,7 +199,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.3.0)
+    loofah (2.4.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -213,12 +215,11 @@ GEM
     mini_portile2 (2.4.0)
     minitest (5.12.2)
     msgpack (1.3.1)
-    multi_json (1.13.1)
     mustermann (1.0.3)
     mustermann-grape (1.0.0)
       mustermann (~> 1.0.0)
-    nio4r (2.4.0)
-    nokogiri (1.10.4)
+    nio4r (2.5.2)
+    nokogiri (1.10.7)
       mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
     pg (1.1.4)
@@ -235,12 +236,13 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (3.1.1)
-    puma (4.1.0)
+    puma (4.3.1)
       nio4r (~> 2.0)
-    rack (2.0.7)
+    rack (2.0.8)
     rack-accept (0.4.5)
       rack (>= 0.4)
-    rack-cors (1.0.3)
+    rack-cors (1.1.0)
+      rack (>= 2.0.0)
     rack-jsonp (1.3.1)
       rack
     rack-proxy (0.6.5)
@@ -324,10 +326,11 @@ GEM
     simple_form (5.0.1)
       actionpack (>= 5.0)
       activemodel (>= 5.0)
-    simplecov (0.7.1)
-      multi_json (~> 1.0)
-      simplecov-html (~> 0.7.1)
-    simplecov-html (0.7.1)
+    simplecov (0.17.1)
+      docile (~> 1.1)
+      json (>= 1.8, < 3)
+      simplecov-html (~> 0.10.0)
+    simplecov-html (0.10.2)
     sixarm_ruby_unaccent (1.2.0)
     sort_alphabetical (1.1.0)
       unicode_utils (>= 1.2.2)
@@ -414,7 +417,7 @@ DEPENDENCIES
   sassc-rails
   sdoc
   simple_form (~> 5.0)
-  simplecov (~> 0.7.1)
+  simplecov (~> 0.17.1)
   turbolinks
   tzinfo-data
   uglifier (>= 1.3.0)
diff --git a/spec/api/v1/restrooms_spec.rb b/spec/api/v1/restrooms_spec.rb
index 5e3ec181..8dd2ea53 100644
--- a/spec/api/v1/restrooms_spec.rb
+++ b/spec/api/v1/restrooms_spec.rb
@@ -24,7 +24,7 @@
     edit.update(approved: false, edit_id: 1)
 
     get '/api/v1/restrooms'
-    expect(response).to be_success
+    expect(response).to be_successful
 
     json = JSON.parse(response.body)
     expect(json.length).to eq(1)