diff --git a/Gemfile.lock b/Gemfile.lock
index e4ee20b..9c4271c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -73,6 +73,7 @@ GEM
       execjs
     coffee-script-source (1.8.0)
     colored (1.2)
+    concurrent-ruby (1.1.6)
     coveralls (0.7.0)
       multi_json (~> 1.3)
       rest-client
@@ -141,7 +142,8 @@ GEM
     hike (1.2.3)
     hitimes (1.2.2)
     hpricot (0.8.6)
-    i18n (0.6.11)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     i18n-js (2.1.2)
       i18n
     journey (1.0.4)
@@ -150,7 +152,7 @@ GEM
       thor (>= 0.14, < 2.0)
     jquery-ui-rails (5.0.0)
       railties (>= 3.2.16)
-    json (1.8.1)
+    json (2.3.1)
     launchy (2.4.2)
       addressable (~> 2.3)
     listen (2.7.11)
@@ -168,7 +170,7 @@ GEM
     method_source (0.8.2)
     mime-types (1.25.1)
     mini_portile (0.6.0)
-    multi_json (1.10.1)
+    multi_json (1.15.0)
     multi_test (0.1.1)
     netrc (0.8.0)
     newrelic_rpm (3.7.0.177)
@@ -183,14 +185,14 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
-    rack (1.4.5)
-    rack-cache (1.2)
+    rack (1.4.7)
+    rack-cache (1.9.0)
       rack (>= 0.4)
     rack-contrib (1.1.0)
       rack (>= 0.9.1)
     rack-ssl (1.3.4)
       rack
-    rack-test (0.6.2)
+    rack-test (0.6.3)
       rack (>= 1.0)
     rails (3.2.21)
       actionmailer (= 3.2.21)
@@ -223,13 +225,12 @@ GEM
       rake (>= 0.8.7)
       rdoc (~> 3.4)
       thor (>= 0.14.6, < 2.0)
-    rake (10.3.2)
+    rake (12.3.3)
     rb-fsevent (0.9.3)
     rb-inotify (0.9.5)
       ffi (>= 0.5.0)
     rdiscount (2.1.7)
-    rdoc (3.12.2)
-      json (~> 1.4)
+    rdoc (3.9.5)
     reek (1.3.4)
       ruby2ruby (~> 2.0.2)
       ruby_parser (~> 3.2)
@@ -288,7 +289,7 @@ GEM
       railties (~> 3.0)
     term-ansicolor (1.3.0)
       tins (~> 1.0)
-    thor (0.19.1)
+    thor (1.0.1)
     tilt (1.4.1)
     timers (4.0.1)
       hitimes