diff --git a/Gemfile b/Gemfile
index c7d7055..eb8d8e2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,14 +1,14 @@
 source 'http://rubygems.org'
 
-gem 'rails'
+gem 'rails', '>= 5.0.0'
 
 # Bundle edge Rails instead:
 # gem 'rails', :git => 'git://github.com/rails/rails.git'
 
-gem 'mysql2'
-gem 'devise'
-gem 'haml'
-gem 'formtastic'
+gem 'mysql2', '>= 0.2.12'
+gem 'devise', '>= 3.5.4'
+gem 'haml', '>= 5.0.0'
+gem 'formtastic', '>= 1.2.2'
 
 # Use unicorn as the web server
 # gem 'unicorn'
@@ -31,6 +31,6 @@ gem 'formtastic'
 # and rake tasks are available in development mode:
 group :development, :test do
 #   gem 'webrat'
-  gem "rspec-rails"
+  gem "rspec-rails", ">= 2.8.0"
 end
 
diff --git a/Gemfile.lock b/Gemfile.lock
index e6ced2e..899e6f5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,102 +1,163 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    abstract (1.0.0)
-    actionmailer (3.0.3)
-      actionpack (= 3.0.3)
-      mail (~> 2.2.9)
-    actionpack (3.0.3)
-      activemodel (= 3.0.3)
-      activesupport (= 3.0.3)
-      builder (~> 2.1.2)
-      erubis (~> 2.6.6)
-      i18n (~> 0.4)
-      rack (~> 1.2.1)
-      rack-mount (~> 0.6.13)
-      rack-test (~> 0.5.6)
-      tzinfo (~> 0.3.23)
-    activemodel (3.0.3)
-      activesupport (= 3.0.3)
-      builder (~> 2.1.2)
-      i18n (~> 0.4)
-    activerecord (3.0.3)
-      activemodel (= 3.0.3)
-      activesupport (= 3.0.3)
-      arel (~> 2.0.2)
-      tzinfo (~> 0.3.23)
-    activeresource (3.0.3)
-      activemodel (= 3.0.3)
-      activesupport (= 3.0.3)
-    activesupport (3.0.3)
-    arel (2.0.6)
-    bcrypt-ruby (2.1.3)
-    builder (2.1.2)
-    devise (1.1.5)
-      bcrypt-ruby (~> 2.1.2)
-      warden (~> 1.0.2)
-    diff-lcs (1.1.2)
-    erubis (2.6.6)
-      abstract (>= 1.0.0)
-    formtastic (1.2.2)
-      actionpack (>= 2.3.7)
-      activesupport (>= 2.3.7)
-      i18n (>= 0.4.0)
-    haml (3.0.25)
-    i18n (0.5.0)
-    mail (2.2.13)
-      activesupport (>= 2.3.6)
-      i18n (>= 0.4.0)
-      mime-types (~> 1.16)
-      treetop (~> 1.4.8)
-    mime-types (1.16)
-    mysql2 (0.2.6)
-    polyglot (0.3.1)
-    rack (1.2.1)
-    rack-mount (0.6.13)
-      rack (>= 1.0.0)
-    rack-test (0.5.7)
-      rack (>= 1.0)
-    rails (3.0.3)
-      actionmailer (= 3.0.3)
-      actionpack (= 3.0.3)
-      activerecord (= 3.0.3)
-      activeresource (= 3.0.3)
-      activesupport (= 3.0.3)
-      bundler (~> 1.0)
-      railties (= 3.0.3)
-    railties (3.0.3)
-      actionpack (= 3.0.3)
-      activesupport (= 3.0.3)
+    actioncable (5.2.0)
+      actionpack (= 5.2.0)
+      nio4r (~> 2.0)
+      websocket-driver (>= 0.6.1)
+    actionmailer (5.2.0)
+      actionpack (= 5.2.0)
+      actionview (= 5.2.0)
+      activejob (= 5.2.0)
+      mail (~> 2.5, >= 2.5.4)
+      rails-dom-testing (~> 2.0)
+    actionpack (5.2.0)
+      actionview (= 5.2.0)
+      activesupport (= 5.2.0)
+      rack (~> 2.0)
+      rack-test (>= 0.6.3)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
+    actionview (5.2.0)
+      activesupport (= 5.2.0)
+      builder (~> 3.1)
+      erubi (~> 1.4)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.0.3)
+    activejob (5.2.0)
+      activesupport (= 5.2.0)
+      globalid (>= 0.3.6)
+    activemodel (5.2.0)
+      activesupport (= 5.2.0)
+    activerecord (5.2.0)
+      activemodel (= 5.2.0)
+      activesupport (= 5.2.0)
+      arel (>= 9.0)
+    activestorage (5.2.0)
+      actionpack (= 5.2.0)
+      activerecord (= 5.2.0)
+      marcel (~> 0.3.1)
+    activesupport (5.2.0)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 0.7, < 2)
+      minitest (~> 5.1)
+      tzinfo (~> 1.1)
+    arel (9.0.0)
+    bcrypt (3.1.12)
+    builder (3.2.3)
+    concurrent-ruby (1.0.5)
+    crass (1.0.4)
+    devise (4.4.3)
+      bcrypt (~> 3.0)
+      orm_adapter (~> 0.1)
+      railties (>= 4.1.0, < 6.0)
+      responders
+      warden (~> 1.2.3)
+    diff-lcs (1.3)
+    erubi (1.7.1)
+    formtastic (3.1.5)
+      actionpack (>= 3.2.13)
+    globalid (0.4.1)
+      activesupport (>= 4.2.0)
+    haml (5.0.4)
+      temple (>= 0.8.0)
+      tilt
+    i18n (1.0.1)
+      concurrent-ruby (~> 1.0)
+    loofah (2.2.2)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.5.9)
+    mail (2.7.0)
+      mini_mime (>= 0.1.1)
+    marcel (0.3.2)
+      mimemagic (~> 0.3.2)
+    method_source (0.9.0)
+    mimemagic (0.3.2)
+    mini_mime (1.0.0)
+    mini_portile2 (2.3.0)
+    minitest (5.11.3)
+    mysql2 (0.5.1)
+    nio4r (2.3.1)
+    nokogiri (1.8.3)
+      mini_portile2 (~> 2.3.0)
+    orm_adapter (0.5.0)
+    rack (2.0.5)
+    rack-test (1.0.0)
+      rack (>= 1.0, < 3)
+    rails (5.2.0)
+      actioncable (= 5.2.0)
+      actionmailer (= 5.2.0)
+      actionpack (= 5.2.0)
+      actionview (= 5.2.0)
+      activejob (= 5.2.0)
+      activemodel (= 5.2.0)
+      activerecord (= 5.2.0)
+      activestorage (= 5.2.0)
+      activesupport (= 5.2.0)
+      bundler (>= 1.3.0)
+      railties (= 5.2.0)
+      sprockets-rails (>= 2.0.0)
+    rails-dom-testing (2.0.3)
+      activesupport (>= 4.2.0)
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.0.4)
+      loofah (~> 2.2, >= 2.2.2)
+    railties (5.2.0)
+      actionpack (= 5.2.0)
+      activesupport (= 5.2.0)
+      method_source
       rake (>= 0.8.7)
-      thor (~> 0.14.4)
-    rake (0.8.7)
-    rspec (2.3.0)
-      rspec-core (~> 2.3.0)
-      rspec-expectations (~> 2.3.0)
-      rspec-mocks (~> 2.3.0)
-    rspec-core (2.3.1)
-    rspec-expectations (2.3.0)
-      diff-lcs (~> 1.1.2)
-    rspec-mocks (2.3.0)
-    rspec-rails (2.3.1)
-      actionpack (~> 3.0)
-      activesupport (~> 3.0)
-      railties (~> 3.0)
-      rspec (~> 2.3.0)
-    thor (0.14.6)
-    treetop (1.4.9)
-      polyglot (>= 0.3.1)
-    tzinfo (0.3.23)
-    warden (1.0.3)
-      rack (>= 1.0.0)
+      thor (>= 0.18.1, < 2.0)
+    rake (12.3.1)
+    responders (2.4.0)
+      actionpack (>= 4.2.0, < 5.3)
+      railties (>= 4.2.0, < 5.3)
+    rspec-core (3.7.1)
+      rspec-support (~> 3.7.0)
+    rspec-expectations (3.7.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.7.0)
+    rspec-mocks (3.7.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.7.0)
+    rspec-rails (3.7.2)
+      actionpack (>= 3.0)
+      activesupport (>= 3.0)
+      railties (>= 3.0)
+      rspec-core (~> 3.7.0)
+      rspec-expectations (~> 3.7.0)
+      rspec-mocks (~> 3.7.0)
+      rspec-support (~> 3.7.0)
+    rspec-support (3.7.1)
+    sprockets (3.7.1)
+      concurrent-ruby (~> 1.0)
+      rack (> 1, < 3)
+    sprockets-rails (3.2.1)
+      actionpack (>= 4.0)
+      activesupport (>= 4.0)
+      sprockets (>= 3.0.0)
+    temple (0.8.0)
+    thor (0.20.0)
+    thread_safe (0.3.6)
+    tilt (2.0.8)
+    tzinfo (1.2.5)
+      thread_safe (~> 0.1)
+    warden (1.2.7)
+      rack (>= 1.0)
+    websocket-driver (0.7.0)
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.3)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  devise
-  formtastic
-  haml
-  mysql2
-  rails
-  rspec-rails
+  devise (>= 3.5.4)
+  formtastic (>= 1.2.2)
+  haml (>= 5.0.0)
+  mysql2 (>= 0.2.12)
+  rails (>= 5.0.0)
+  rspec-rails (>= 2.8.0)
+
+BUNDLED WITH
+   1.16.1