diff --git a/Gemfile.lock b/Gemfile.lock
index 8434221..81d5f8a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -36,14 +36,16 @@ GEM
     coffee-script-source (1.8.0)
     composite_primary_keys (6.0.7)
       activerecord (~> 4.0.6)
+    concurrent-ruby (1.1.5)
     erubis (2.7.0)
     execjs (2.2.2)
     hike (1.2.3)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (1.5.3)
       activesupport (>= 3.0.0)
       multi_json (>= 1.2.0)
-    jquery-rails (3.1.2)
+    jquery-rails (3.1.3)
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
     json (1.8.2)
@@ -51,8 +53,8 @@ GEM
       mime-types (>= 1.16, < 3)
     mime-types (2.4.3)
     minitest (4.7.5)
-    multi_json (1.10.1)
-    rack (1.5.2)
+    multi_json (1.14.1)
+    rack (1.5.5)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.0.12)
@@ -68,7 +70,7 @@ GEM
       activesupport (= 4.0.12)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.4.0)
+    rake (13.0.1)
     rdoc (4.2.0)
       json (~> 1.4)
     sass (3.2.19)
@@ -90,12 +92,12 @@ GEM
       activesupport (>= 3.0)
       sprockets (>= 2.8, < 4.0)
     sqlite3 (1.3.10)
-    thor (0.19.1)
-    thread_safe (0.3.4)
+    thor (0.20.3)
+    thread_safe (0.3.6)
     tilt (1.4.1)
     turbolinks (2.5.3)
       coffee-rails
-    tzinfo (0.3.42)
+    tzinfo (0.3.56)
     uglifier (2.7.0)
       execjs (>= 0.3.0)
       json (>= 1.8.0)