diff --git a/Gemfile b/Gemfile
index a9bd4f0..e72cf3b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,11 +2,11 @@ ruby '2.6.4'
 source 'https://rubygems.org'
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '4.2.11.1'
+gem 'rails', '5.0.7.2'
 # Use postgresql as the database for Active Record
 gem 'pg', '0.20.0'
 # Use SCSS for stylesheets
-gem 'sass-rails', '~> 5.0'
+gem 'sass-rails', '~> 6.0'
 # Use Uglifier as compressor for JavaScript assets
 gem 'uglifier', '>= 1.3.0'
 # Use CoffeeScript for .coffee assets and views
diff --git a/Gemfile.lock b/Gemfile.lock
index 29e6ca5..d3728d9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,47 +1,50 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (4.2.11.1)
-      actionpack (= 4.2.11.1)
-      actionview (= 4.2.11.1)
-      activejob (= 4.2.11.1)
+    actioncable (5.0.7.2)
+      actionpack (= 5.0.7.2)
+      nio4r (>= 1.2, < 3.0)
+      websocket-driver (~> 0.6.1)
+    actionmailer (5.0.7.2)
+      actionpack (= 5.0.7.2)
+      actionview (= 5.0.7.2)
+      activejob (= 5.0.7.2)
       mail (~> 2.5, >= 2.5.4)
-      rails-dom-testing (~> 1.0, >= 1.0.5)
-    actionpack (4.2.11.1)
-      actionview (= 4.2.11.1)
-      activesupport (= 4.2.11.1)
-      rack (~> 1.6)
-      rack-test (~> 0.6.2)
-      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-dom-testing (~> 2.0)
+    actionpack (5.0.7.2)
+      actionview (= 5.0.7.2)
+      activesupport (= 5.0.7.2)
+      rack (~> 2.0)
+      rack-test (~> 0.6.3)
+      rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (4.2.11.1)
-      activesupport (= 4.2.11.1)
+    actionview (5.0.7.2)
+      activesupport (= 5.0.7.2)
       builder (~> 3.1)
       erubis (~> 2.7.0)
-      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (4.2.11.1)
-      activesupport (= 4.2.11.1)
-      globalid (>= 0.3.0)
-    activemodel (4.2.11.1)
-      activesupport (= 4.2.11.1)
-      builder (~> 3.1)
-    activerecord (4.2.11.1)
-      activemodel (= 4.2.11.1)
-      activesupport (= 4.2.11.1)
-      arel (~> 6.0)
-    activesupport (4.2.11.1)
-      i18n (~> 0.7)
+    activejob (5.0.7.2)
+      activesupport (= 5.0.7.2)
+      globalid (>= 0.3.6)
+    activemodel (5.0.7.2)
+      activesupport (= 5.0.7.2)
+    activerecord (5.0.7.2)
+      activemodel (= 5.0.7.2)
+      activesupport (= 5.0.7.2)
+      arel (~> 7.0)
+    activesupport (5.0.7.2)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 0.7, < 2)
       minitest (~> 5.1)
-      thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
-    arel (6.0.4)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
+    arel (7.1.4)
     autoprefixer-rails (9.7.6)
       execjs
     backports (3.17.2)
-    better_errors (2.7.1)
+    better_errors (2.9.1)
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
       rack (>= 0.9.0)
@@ -49,15 +52,16 @@ GEM
       debug_inspector (>= 0.0.1)
     builder (3.2.4)
     byebug (11.1.3)
-    capybara (3.32.2)
+    capybara (3.36.0)
       addressable
+      matrix
       mini_mime (>= 0.1.3)
       nokogiri (~> 1.8)
       rack (>= 1.6.0)
       rack-test (>= 0.6.3)
-      regexp_parser (~> 1.5)
+      regexp_parser (>= 1.5, < 3.0)
       xpath (~> 3.2)
-    coderay (1.1.2)
+    coderay (1.1.3)
     coffee-rails (4.1.1)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0, < 5.1.x)
@@ -65,8 +69,8 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.1.6)
-    connection_pool (2.2.2)
+    concurrent-ruby (1.1.10)
+    connection_pool (2.3.0)
     crass (1.0.6)
     cucumber (3.1.2)
       builder (>= 2.1.2)
@@ -90,7 +94,7 @@ GEM
       railties (>= 4.2, < 7)
     cucumber-tag_expressions (1.1.1)
     cucumber-wire (0.0.1)
-    daemons (1.3.1)
+    daemons (1.4.1)
     database_cleaner (1.8.5)
     debug_inspector (0.0.3)
     diff-lcs (1.3)
@@ -100,18 +104,18 @@ GEM
     dotenv-rails (2.7.5)
       dotenv (= 2.7.5)
       railties (>= 3.2, < 6.1)
-    erubi (1.9.0)
+    erubi (1.11.0)
     erubis (2.7.0)
     eventmachine (1.2.7)
     execjs (2.7.0)
-    ffi (1.12.2)
+    ffi (1.15.5)
     gherkin (5.1.0)
-    globalid (0.4.2)
-      activesupport (>= 4.2.0)
+    globalid (1.0.0)
+      activesupport (>= 5.0)
     http-accept (1.7.0)
     http-cookie (1.0.3)
       domain_name (~> 0.5)
-    i18n (0.9.5)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     interactor (3.1.2)
     interactor-rails (2.2.1)
@@ -128,7 +132,7 @@ GEM
     launchy (2.5.0)
       addressable (~> 2.7)
     libv8 (3.16.14.19)
-    loofah (2.5.0)
+    loofah (2.19.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -137,73 +141,75 @@ GEM
       actionmailer (>= 3.2.13)
       json (>= 1.7.7)
       rest-client (>= 1.6.7)
-    meta_request (0.7.2)
+    matrix (0.4.2)
+    meta_request (0.7.3)
       rack-contrib (>= 1.1, < 3)
       railties (>= 3.0.0, < 7)
     method_source (1.0.0)
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2020.0512)
-    mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
-    minitest (5.14.1)
+    mini_mime (1.1.2)
+    mini_portile2 (2.8.0)
+    minitest (5.16.3)
     multi_json (1.14.1)
     multi_test (0.1.2)
+    mustermann (3.0.0)
+      ruby2_keywords (~> 0.0.1)
     netrc (0.11.0)
-    nokogiri (1.10.9)
-      mini_portile2 (~> 2.4.0)
+    nio4r (2.5.8)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     pg (0.20.0)
     pry (0.13.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
-    public_suffix (4.0.5)
-    rack (1.6.13)
-    rack-contrib (1.8.0)
-      rack (~> 1.4)
-    rack-protection (1.5.5)
+    public_suffix (5.0.0)
+    racc (1.6.0)
+    rack (2.2.4)
+    rack-contrib (2.3.0)
+      rack (~> 2.0)
+    rack-protection (3.0.4)
       rack
     rack-test (0.6.3)
       rack (>= 1.0)
-    rails (4.2.11.1)
-      actionmailer (= 4.2.11.1)
-      actionpack (= 4.2.11.1)
-      actionview (= 4.2.11.1)
-      activejob (= 4.2.11.1)
-      activemodel (= 4.2.11.1)
-      activerecord (= 4.2.11.1)
-      activesupport (= 4.2.11.1)
-      bundler (>= 1.3.0, < 2.0)
-      railties (= 4.2.11.1)
-      sprockets-rails
-    rails-deprecated_sanitizer (1.0.3)
-      activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.9)
-      activesupport (>= 4.2.0, < 5.0)
-      nokogiri (~> 1.6)
-      rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.3.0)
+    rails (5.0.7.2)
+      actioncable (= 5.0.7.2)
+      actionmailer (= 5.0.7.2)
+      actionpack (= 5.0.7.2)
+      actionview (= 5.0.7.2)
+      activejob (= 5.0.7.2)
+      activemodel (= 5.0.7.2)
+      activerecord (= 5.0.7.2)
+      activesupport (= 5.0.7.2)
+      bundler (>= 1.3.0)
+      railties (= 5.0.7.2)
+      sprockets-rails (>= 2.0.0)
+    rails-dom-testing (2.0.3)
+      activesupport (>= 4.2.0)
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.4.3)
       loofah (~> 2.3)
     rails_12factor (0.0.3)
       rails_serve_static_assets
       rails_stdout_logging
     rails_serve_static_assets (0.0.5)
     rails_stdout_logging (0.0.5)
-    railties (4.2.11.1)
-      actionpack (= 4.2.11.1)
-      activesupport (= 4.2.11.1)
+    railties (5.0.7.2)
+      actionpack (= 5.0.7.2)
+      activesupport (= 5.0.7.2)
+      method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     raindrops (0.19.1)
-    rake (13.0.1)
-    rb-fsevent (0.10.4)
-    rb-inotify (0.10.1)
-      ffi (~> 1.0)
+    rake (13.0.6)
     rdoc (4.3.0)
-    redis (4.1.4)
+    redis (4.8.0)
     ref (2.0.0)
-    regexp_parser (1.7.0)
+    regexp_parser (2.6.1)
     responders (2.4.1)
       actionpack (>= 4.2.0, < 6.0)
       railties (>= 4.2.0, < 6.0)
@@ -233,53 +239,53 @@ GEM
       rspec-mocks (~> 3.9)
       rspec-support (~> 3.9)
     rspec-support (3.9.3)
-    sass (3.7.4)
-      sass-listen (~> 4.0.0)
-    sass-listen (4.0.0)
-      rb-fsevent (~> 0.9, >= 0.9.4)
-      rb-inotify (~> 0.9, >= 0.9.7)
-    sass-rails (5.0.7)
-      railties (>= 4.0.0, < 6)
-      sass (~> 3.1)
-      sprockets (>= 2.8, < 4.0)
-      sprockets-rails (>= 2.0, < 4.0)
-      tilt (>= 1.1, < 3)
+    ruby2_keywords (0.0.5)
+    sass-rails (6.0.0)
+      sassc-rails (~> 2.1, >= 2.1.1)
+    sassc (2.4.0)
+      ffi (~> 1.9)
+    sassc-rails (2.1.2)
+      railties (>= 4.0.0)
+      sassc (>= 2.0)
+      sprockets (> 3.0)
+      sprockets-rails
+      tilt
     sdoc (0.4.2)
       json (~> 1.7, >= 1.7.7)
       rdoc (~> 4.0)
     shoulda-matchers (4.3.0)
       activesupport (>= 4.2.0)
-    sidekiq (5.2.8)
-      connection_pool (~> 2.2, >= 2.2.2)
-      rack (< 2.1.0)
-      rack-protection (>= 1.5.0)
-      redis (>= 3.3.5, < 5)
-    sinatra (1.4.8)
-      rack (~> 1.5)
-      rack-protection (~> 1.4)
-      tilt (>= 1.3, < 3)
+    sidekiq (6.5.8)
+      connection_pool (>= 2.2.5, < 3)
+      rack (~> 2.0)
+      redis (>= 4.5.0, < 5)
+    sinatra (3.0.4)
+      mustermann (~> 3.0)
+      rack (~> 2.2, >= 2.2.4)
+      rack-protection (= 3.0.4)
+      tilt (~> 2.0)
     spring (2.1.0)
-    sprockets (3.7.2)
+    sprockets (4.1.1)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
-    sprockets-rails (3.2.1)
+    sprockets-rails (3.2.2)
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
     therubyracer (0.12.3)
       libv8 (~> 3.16.14.15)
       ref
-    thin (1.7.2)
+    thin (1.8.1)
       daemons (~> 1.0, >= 1.0.9)
       eventmachine (~> 1.0, >= 1.0.4)
       rack (>= 1, < 3)
-    thor (1.0.1)
+    thor (1.2.1)
     thread_safe (0.3.6)
-    tilt (2.0.10)
+    tilt (2.0.11)
     turbolinks (5.2.1)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
@@ -294,6 +300,9 @@ GEM
       binding_of_caller (>= 0.7.2)
       railties (>= 4.0)
       sprockets-rails (>= 2.0, < 4.0)
+    websocket-driver (0.6.5)
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.5)
     xpath (3.2.0)
       nokogiri (~> 1.8)
 
@@ -318,12 +327,12 @@ DEPENDENCIES
   meta_request
   pg (= 0.20.0)
   pry-rails
-  rails (= 4.2.11.1)
+  rails (= 5.0.7.2)
   rails_12factor
   responders
   rspec
   rspec-rails
-  sass-rails (~> 5.0)
+  sass-rails (~> 6.0)
   sdoc (~> 0.4.0)
   shoulda-matchers
   sidekiq