diff --git a/Gemfile.lock b/Gemfile.lock
index 83be720..133c16f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -69,6 +69,7 @@ GEM
       compass (>= 0.12.2, < 0.14)
     compass-susy-plugin (0.9)
       compass (>= 0.11.1)
+    concurrent-ruby (1.1.6)
     cucumber (1.3.20)
       builder (>= 2.1.2)
       diff-lcs (>= 1.1.3)
@@ -123,7 +124,8 @@ GEM
       thor (>= 0.18.1)
     hashie (3.4.4)
     hike (1.2.3)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jasmine (2.3.1)
       jasmine-core (~> 2.3)
       phantomjs
@@ -137,7 +139,7 @@ GEM
       thor (>= 0.14, < 2.0)
     jquery-ui-rails (5.0.5)
       railties (>= 3.2.16)
-    json (1.8.3)
+    json (2.3.1)
     jwt (1.5.4)
     kgio (2.10.0)
     language_list (1.1.0)
@@ -152,7 +154,7 @@ GEM
     method_source (0.8.2)
     mime-types (1.25.1)
     minitest (4.7.5)
-    multi_json (1.12.1)
+    multi_json (1.15.0)
     multi_test (0.1.2)
     multi_xml (0.5.5)
     multipart-post (2.0.0)
@@ -207,7 +209,7 @@ GEM
       slop (~> 3.4)
     puma (2.15.3)
     rack (1.4.7)
-    rack-cache (1.5.1)
+    rack-cache (1.9.0)
       rack (>= 0.4)
     rack-ssl (1.3.4)
       rack
@@ -242,8 +244,7 @@ GEM
     rb-fsevent (0.9.6)
     rb-inotify (0.9.5)
       ffi (>= 0.5.0)
-    rdoc (3.12.2)
-      json (~> 1.4)
+    rdoc (3.9.5)
     require_all (1.3.3)
     rspec (2.8.0)
       rspec-core (~> 2.8.0)
@@ -288,7 +289,7 @@ GEM
     sqlite3 (1.3.11)
     test-unit (3.2.0)
       power_assert
-    thor (0.19.1)
+    thor (0.19.4)
     tilt (1.4.1)
     treetop (1.4.15)
       polyglot