diff --git a/Gemfile.lock b/Gemfile.lock
index e36614d..13be50b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -65,6 +65,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.6.3)
+    concurrent-ruby (1.1.6)
     daemons (1.1.9)
     delayed_job (4.0.0)
       activesupport (>= 3.0, < 4.1)
@@ -104,13 +105,14 @@ GEM
     hashery (2.1.1)
     highline (1.6.19)
     hike (1.2.3)
-    i18n (0.6.5)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jombo (1.0.11)
     journey (1.0.4)
     jquery-rails (3.0.4)
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.0)
+    json (2.3.1)
     launchy (2.3.0)
       addressable (~> 2.3)
     letter_opener (1.1.2)
@@ -128,7 +130,7 @@ GEM
     mini_magick (3.6.0)
       subexec (~> 0.2.1)
     mini_portile (0.5.1)
-    multi_json (1.8.1)
+    multi_json (1.15.0)
     mysql2 (0.3.13)
     nested_form (0.3.2)
     net-scp (1.1.2)
@@ -161,12 +163,12 @@ GEM
       coderay (~> 1.0.5)
       method_source (~> 0.8)
       slop (~> 3.4)
-    rack (1.4.5)
-    rack-cache (1.2)
+    rack (1.4.7)
+    rack-cache (1.12.0)
       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)
     rack_session_access (0.1.1)
       builder (>= 2.0.0)
@@ -192,8 +194,7 @@ GEM
       ffi (>= 0.5.0)
     rb-kqueue (0.2.0)
       ffi (>= 0.5.0)
-    rdoc (3.12.2)
-      json (~> 1.4)
+    rdoc (3.9.5)
     rspec (2.14.1)
       rspec-core (~> 2.14.0)
       rspec-expectations (~> 2.14.0)
@@ -224,7 +225,7 @@ GEM
     spork-rails (4.0.0)
       rails (>= 3.0.0, < 5)
       spork (>= 1.0rc0)
-    sprockets (2.2.2)
+    sprockets (2.2.3)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)
@@ -232,7 +233,7 @@ GEM
     sqlite3 (1.3.8)
     state_machine (1.2.0)
     subexec (0.2.3)
-    thor (0.18.1)
+    thor (1.0.1)
     tilt (1.4.1)
     treetop (1.4.15)
       polyglot