diff --git a/Gemfile b/Gemfile
index 21156a7..baae425 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ ruby '2.0.0'
 
 gem 'rails', '4.0.8'
 gem 'bootstrap-sass', '2.3.2.0'
-gem 'sprockets', '2.11.0'
+gem 'sprockets', '2.12.5'
 gem 'bcrypt-ruby', '3.1.2'
 gem 'faker', '1.1.2'
 gem 'will_paginate', '3.0.4'
diff --git a/Gemfile.lock b/Gemfile.lock
index c2544d0..2e670e3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -114,7 +114,7 @@ GEM
     mime-types (1.25.1)
     mini_portile (0.6.0)
     minitest (4.7.5)
-    multi_json (1.10.1)
+    multi_json (1.14.1)
     multi_test (0.1.1)
     nokogiri (1.6.2.1)
       mini_portile (= 0.6.0)
@@ -124,7 +124,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
-    rack (1.5.2)
+    rack (1.5.5)
     rack-test (0.6.2)
       rack (>= 1.0)
     rails (4.0.8)
@@ -185,7 +185,7 @@ GEM
     spork-rails (4.0.0)
       rails (>= 3.0.0, < 5)
       spork (>= 1.0rc0)
-    sprockets (2.11.0)
+    sprockets (2.12.5)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)
@@ -240,7 +240,7 @@ DEPENDENCIES
   sdoc (= 0.3.20)
   selenium-webdriver (= 2.35.1)
   spork-rails (= 4.0.0)
-  sprockets (= 2.11.0)
+  sprockets (= 2.12.5)
   sqlite3 (= 1.3.8)
   turbolinks (= 1.1.1)
   uglifier (= 2.1.1)