diff --git a/Gemfile b/Gemfile
index f1b251db4..f6b4f0e33 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '4.2.3'
+gem 'rails', '4.2.4'
 # Use PostgreSQL
 gem 'pg'
 # Use SCSS for stylesheets
diff --git a/Gemfile.lock b/Gemfile.lock
index deed6bc4f..ae1930e1d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,36 +1,36 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (4.2.3)
-      actionpack (= 4.2.3)
-      actionview (= 4.2.3)
-      activejob (= 4.2.3)
+    actionmailer (4.2.4)
+      actionpack (= 4.2.4)
+      actionview (= 4.2.4)
+      activejob (= 4.2.4)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 1.0, >= 1.0.5)
-    actionpack (4.2.3)
-      actionview (= 4.2.3)
-      activesupport (= 4.2.3)
+    actionpack (4.2.4)
+      actionview (= 4.2.4)
+      activesupport (= 4.2.4)
       rack (~> 1.6)
       rack-test (~> 0.6.2)
       rails-dom-testing (~> 1.0, >= 1.0.5)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (4.2.3)
-      activesupport (= 4.2.3)
+    actionview (4.2.4)
+      activesupport (= 4.2.4)
       builder (~> 3.1)
       erubis (~> 2.7.0)
       rails-dom-testing (~> 1.0, >= 1.0.5)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    activejob (4.2.3)
-      activesupport (= 4.2.3)
+    activejob (4.2.4)
+      activesupport (= 4.2.4)
       globalid (>= 0.3.0)
-    activemodel (4.2.3)
-      activesupport (= 4.2.3)
+    activemodel (4.2.4)
+      activesupport (= 4.2.4)
       builder (~> 3.1)
-    activerecord (4.2.3)
-      activemodel (= 4.2.3)
-      activesupport (= 4.2.3)
+    activerecord (4.2.4)
+      activemodel (= 4.2.4)
+      activesupport (= 4.2.4)
       arel (~> 6.0)
-    activesupport (4.2.3)
+    activesupport (4.2.4)
       i18n (~> 0.7)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
@@ -181,7 +181,7 @@ GEM
       actionmailer (>= 3.2)
       letter_opener (~> 1.0)
       railties (>= 3.2)
-    loofah (2.0.2)
+    loofah (2.0.3)
       nokogiri (>= 1.5.9)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
@@ -209,28 +209,28 @@ GEM
     rack (1.6.4)
     rack-test (0.6.3)
       rack (>= 1.0)
-    rails (4.2.3)
-      actionmailer (= 4.2.3)
-      actionpack (= 4.2.3)
-      actionview (= 4.2.3)
-      activejob (= 4.2.3)
-      activemodel (= 4.2.3)
-      activerecord (= 4.2.3)
-      activesupport (= 4.2.3)
+    rails (4.2.4)
+      actionmailer (= 4.2.4)
+      actionpack (= 4.2.4)
+      actionview (= 4.2.4)
+      activejob (= 4.2.4)
+      activemodel (= 4.2.4)
+      activerecord (= 4.2.4)
+      activesupport (= 4.2.4)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.2.3)
+      railties (= 4.2.4)
       sprockets-rails
     rails-deprecated_sanitizer (1.0.3)
       activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.6)
+    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 (1.0.2)
       loofah (~> 2.0)
-    railties (4.2.3)
-      actionpack (= 4.2.3)
-      activesupport (= 4.2.3)
+    railties (4.2.4)
+      actionpack (= 4.2.4)
+      activesupport (= 4.2.4)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     raindrops (0.15.0)
@@ -283,7 +283,7 @@ GEM
       coffee-rails
       sass-rails
     spring (1.3.6)
-    sprockets (3.2.0)
+    sprockets (3.3.3)
       rack (~> 1.0)
     sprockets-rails (2.3.2)
       actionpack (>= 3.0)
@@ -366,7 +366,7 @@ DEPENDENCIES
   pg
   poltergeist
   quiet_assets
-  rails (= 4.2.3)
+  rails (= 4.2.4)
   responders
   rspec-rails (~> 3.0)
   sass-rails (~> 5.0)