diff --git a/Gemfile b/Gemfile
index 29da07f..6c0f90a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source :gemcutter
 
-gem "rails", "~> 2.3.16"
+gem "rails", "~> 5.0.0"
 gem "RedCloth", "~> 4.2.7"
 gem "heroku-nav", "0.1.24"
 gem "thin", "1.2.7"
diff --git a/Gemfile.lock b/Gemfile.lock
index 1b28312..aa8dadb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,42 +2,138 @@ GEM
   remote: http://rubygems.org/
   specs:
     RedCloth (4.2.9)
-    actionmailer (2.3.16)
-      actionpack (= 2.3.16)
-    actionpack (2.3.16)
-      activesupport (= 2.3.16)
-      rack (~> 1.1.0)
-    activerecord (2.3.16)
-      activesupport (= 2.3.16)
-    activeresource (2.3.16)
-      activesupport (= 2.3.16)
-    activesupport (2.3.16)
-    daemons (1.1.9)
-    eventmachine (1.0.0)
+    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 (~> 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 (5.0.7.2)
+      activesupport (= 5.0.7.2)
+      builder (~> 3.1)
+      erubis (~> 2.7.0)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.0.3)
+    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)
+      tzinfo (~> 1.1)
+    arel (7.1.4)
+    builder (3.2.4)
+    concurrent-ruby (1.2.2)
+    crass (1.0.6)
+    daemons (1.4.1)
+    date (3.3.3)
+    erubis (2.7.0)
+    eventmachine (1.2.7)
+    globalid (1.1.0)
+      activesupport (>= 5.0)
     heroku-nav (0.1.24)
       json
       rest-client (>= 1.0)
+    i18n (1.12.0)
+      concurrent-ruby (~> 1.0)
     json (1.7.5)
+    loofah (2.19.1)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.5.9)
+    mail (2.8.1)
+      mini_mime (>= 0.1.1)
+      net-imap
+      net-pop
+      net-smtp
+    method_source (1.0.0)
     mime-types (1.19)
+    mini_mime (1.1.2)
+    mini_portile2 (2.8.1)
+    minitest (5.18.0)
+    net-imap (0.3.4)
+      date
+      net-protocol
+    net-pop (0.1.2)
+      net-protocol
+    net-protocol (0.2.1)
+      timeout
+    net-smtp (0.3.3)
+      net-protocol
+    nio4r (2.5.8)
+    nokogiri (1.14.2)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     pg (0.14.1)
-    rack (1.1.5)
+    racc (1.6.2)
+    rack (2.2.6.3)
     rack-ssl-enforcer (0.2.5)
-    rails (2.3.16)
-      actionmailer (= 2.3.16)
-      actionpack (= 2.3.16)
-      activerecord (= 2.3.16)
-      activeresource (= 2.3.16)
-      activesupport (= 2.3.16)
-      rake (>= 0.8.3)
-    rake (10.0.3)
+    rack-test (0.6.3)
+      rack (>= 1.0)
+    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 (1.5.0)
+      loofah (~> 2.19, >= 2.19.1)
+    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)
+    rake (13.0.6)
     rdoc (3.5.3)
     redcarpet (1.17.1)
     rest-client (1.6.7)
       mime-types (>= 1.16)
+    sprockets (4.2.0)
+      concurrent-ruby (~> 1.0)
+      rack (>= 2.2.4, < 4)
+    sprockets-rails (3.2.2)
+      actionpack (>= 4.0)
+      activesupport (>= 4.0)
+      sprockets (>= 3.0.0)
     thin (1.2.7)
       daemons (>= 1.0.9)
       eventmachine (>= 0.12.6)
       rack (>= 1.0.0)
+    thor (1.2.1)
+    thread_safe (0.3.6)
+    timeout (0.3.2)
+    tzinfo (1.2.11)
+      thread_safe (~> 0.1)
+    websocket-driver (0.6.5)
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.5)
 
 PLATFORMS
   ruby
@@ -47,7 +143,10 @@ DEPENDENCIES
   heroku-nav (= 0.1.24)
   pg (= 0.14.1)
   rack-ssl-enforcer
-  rails (~> 2.3.16)
+  rails (~> 5.0.0)
   rdoc (~> 3.5.1)
   redcarpet (= 1.17.1)
   thin (= 1.2.7)
+
+BUNDLED WITH
+   2.1.4