diff --git a/Gemfile b/Gemfile
index 3ee69cc..7720e5d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@ source 'https://rubygems.org'
 
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '4.1.8'
+gem 'rails', '~> 4.2.7.1'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 50e455b..e2cb58c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,33 +1,42 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (4.1.8)
-      actionpack (= 4.1.8)
-      actionview (= 4.1.8)
+    actionmailer (4.2.7.1)
+      actionpack (= 4.2.7.1)
+      actionview (= 4.2.7.1)
+      activejob (= 4.2.7.1)
       mail (~> 2.5, >= 2.5.4)
-    actionpack (4.1.8)
-      actionview (= 4.1.8)
-      activesupport (= 4.1.8)
-      rack (~> 1.5.2)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+    actionpack (4.2.7.1)
+      actionview (= 4.2.7.1)
+      activesupport (= 4.2.7.1)
+      rack (~> 1.6)
       rack-test (~> 0.6.2)
-    actionview (4.1.8)
-      activesupport (= 4.1.8)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
+    actionview (4.2.7.1)
+      activesupport (= 4.2.7.1)
       builder (~> 3.1)
       erubis (~> 2.7.0)
-    activemodel (4.1.8)
-      activesupport (= 4.1.8)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
+    activejob (4.2.7.1)
+      activesupport (= 4.2.7.1)
+      globalid (>= 0.3.0)
+    activemodel (4.2.7.1)
+      activesupport (= 4.2.7.1)
       builder (~> 3.1)
-    activerecord (4.1.8)
-      activemodel (= 4.1.8)
-      activesupport (= 4.1.8)
-      arel (~> 5.0.0)
-    activesupport (4.1.8)
-      i18n (~> 0.6, >= 0.6.9)
+    activerecord (4.2.7.1)
+      activemodel (= 4.2.7.1)
+      activesupport (= 4.2.7.1)
+      arel (~> 6.0)
+    activesupport (4.2.7.1)
+      i18n (~> 0.7)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
-      thread_safe (~> 0.1)
+      thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    arel (5.0.1.20140414130214)
+    arel (6.0.3)
     autoprefixer-rails (6.4.1.1)
       execjs
     babosa (1.0.2)
@@ -36,6 +45,7 @@ GEM
       autoprefixer-rails (>= 5.2.1)
       sass (>= 3.3.4)
     builder (3.2.2)
+    concurrent-ruby (1.0.2)
     devise (4.2.0)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -46,7 +56,8 @@ GEM
     execjs (2.7.0)
     friendly_id (5.1.0)
       activerecord (>= 4.0.0)
-    hike (1.2.3)
+    globalid (0.3.7)
+      activesupport (>= 4.1.0)
     i18n (0.7.0)
     jbuilder (2.6.0)
       activesupport (>= 3.0.0, < 5.1)
@@ -58,42 +69,58 @@ GEM
       railties (>= 3.1.0)
       turbolinks
     json (1.8.3)
+    loofah (2.0.3)
+      nokogiri (>= 1.5.9)
     mail (2.6.4)
       mime-types (>= 1.16, < 4)
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
+    mini_portile2 (2.1.0)
     minitest (5.9.0)
     multi_json (1.12.1)
+    nokogiri (1.6.8)
+      mini_portile2 (~> 2.1.0)
+      pkg-config (~> 1.1.7)
     orm_adapter (0.5.0)
+    pkg-config (1.1.7)
     posix-spawn (0.3.11)
     pygments.rb (0.6.3)
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.2.0)
-    rack (1.5.5)
+    rack (1.6.4)
     rack-test (0.6.3)
       rack (>= 1.0)
-    rails (4.1.8)
-      actionmailer (= 4.1.8)
-      actionpack (= 4.1.8)
-      actionview (= 4.1.8)
-      activemodel (= 4.1.8)
-      activerecord (= 4.1.8)
-      activesupport (= 4.1.8)
+    rails (4.2.7.1)
+      actionmailer (= 4.2.7.1)
+      actionpack (= 4.2.7.1)
+      actionview (= 4.2.7.1)
+      activejob (= 4.2.7.1)
+      activemodel (= 4.2.7.1)
+      activerecord (= 4.2.7.1)
+      activesupport (= 4.2.7.1)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.1.8)
-      sprockets-rails (~> 2.0)
-    railties (4.1.8)
-      actionpack (= 4.1.8)
-      activesupport (= 4.1.8)
+      railties (= 4.2.7.1)
+      sprockets-rails
+    rails-deprecated_sanitizer (1.0.3)
+      activesupport (>= 4.2.0.alpha)
+    rails-dom-testing (1.0.7)
+      activesupport (>= 4.2.0.beta, < 5.0)
+      nokogiri (~> 1.6.0)
+      rails-deprecated_sanitizer (>= 1.0.1)
+    rails-html-sanitizer (1.0.3)
+      loofah (~> 2.0)
+    railties (4.2.7.1)
+      actionpack (= 4.2.7.1)
+      activesupport (= 4.2.7.1)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (11.2.2)
+    rake (11.3.0)
     rdoc (4.2.2)
       json (~> 1.4)
     redcarpet (3.3.4)
-    responders (1.1.2)
-      railties (>= 3.2, < 4.2)
+    responders (2.3.0)
+      railties (>= 4.2.0, < 5.1)
     sass (3.4.22)
     sass-rails (5.0.6)
       railties (>= 4.0.0, < 6)
@@ -105,19 +132,17 @@ GEM
       json (~> 1.7, >= 1.7.7)
       rdoc (~> 4.0)
     spring (1.7.2)
-    sprockets (2.12.4)
-      hike (~> 1.2)
-      multi_json (~> 1.0)
-      rack (~> 1.0)
-      tilt (~> 1.1, != 1.3.0)
-    sprockets-rails (2.3.3)
-      actionpack (>= 3.0)
-      activesupport (>= 3.0)
-      sprockets (>= 2.8, < 4.0)
+    sprockets (3.7.0)
+      concurrent-ruby (~> 1.0)
+      rack (> 1, < 3)
+    sprockets-rails (3.2.0)
+      actionpack (>= 4.0)
+      activesupport (>= 4.0)
+      sprockets (>= 3.0.0)
     sqlite3 (1.3.11)
     thor (0.19.1)
     thread_safe (0.3.5)
-    tilt (1.4.1)
+    tilt (2.0.5)
     turbolinks (5.0.1)
       turbolinks-source (~> 5)
     turbolinks-source (5.0.0)
@@ -141,7 +166,7 @@ DEPENDENCIES
   jquery-rails
   jquery-turbolinks
   pygments.rb
-  rails (= 4.1.8)
+  rails (~> 4.2.7.1)
   redcarpet
   sass-rails (>= 3.2)
   sdoc (~> 0.4.0)