diff --git a/Gemfile.lock b/Gemfile.lock
index 2e63802..c6e37ae 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -39,6 +39,7 @@ GEM
       execjs
     coffee-script-source (1.6.2)
     columnize (0.3.6)
+    concurrent-ruby (1.1.6)
     daemons (1.1.9)
     debugger (1.6.0)
       columnize (>= 0.3.1)
@@ -60,7 +61,8 @@ GEM
       haml (>= 3.1, < 4.1)
       railties (>= 3.1, < 4.1)
     hike (1.2.3)
-    i18n (0.6.4)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (1.4.2)
       activesupport (>= 3.0.0)
       multi_json (>= 1.2.0)
@@ -75,22 +77,22 @@ GEM
     jquery-ui-rails (4.0.3)
       jquery-rails
       railties (>= 3.1.0)
-    json (1.8.0)
+    json (2.3.0)
     mail (2.4.4)
       i18n (>= 0.4.0)
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.23)
-    multi_json (1.7.6)
+    multi_json (1.15.0)
     pg (0.15.1)
     polyglot (0.3.3)
     populator (1.0.0)
-    rack (1.4.5)
-    rack-cache (1.2)
+    rack (1.4.7)
+    rack-cache (1.7.1)
       rack (>= 0.4)
-    rack-ssl (1.3.3)
+    rack-ssl (1.3.4)
       rack
-    rack-test (0.6.2)
+    rack-test (0.6.3)
       rack (>= 1.0)
     rails (3.2.11)
       actionmailer (= 3.2.11)
@@ -112,9 +114,8 @@ GEM
       rake (>= 0.8.7)
       rdoc (~> 3.4)
       thor (>= 0.14.6, < 2.0)
-    rake (10.0.4)
-    rdoc (3.12.2)
-      json (~> 1.4)
+    rake (12.2.1)
+    rdoc (3.9.5)
     sass (3.2.9)
     sass-rails (3.2.6)
       railties (~> 3.2.0)
@@ -123,7 +124,7 @@ GEM
     simple_form (2.1.0)
       actionpack (~> 3.0)
       activemodel (~> 3.0)
-    sprockets (2.2.2)
+    sprockets (2.2.3)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)
@@ -132,7 +133,7 @@ GEM
       daemons (>= 1.0.9)
       eventmachine (>= 0.12.6)
       rack (>= 1.0.0)
-    thor (0.18.1)
+    thor (0.20.3)
     tilt (1.4.1)
     treetop (1.4.14)
       polyglot