diff --git a/Gemfile.lock b/Gemfile.lock
index 828e808..aeb02e1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -40,7 +40,7 @@ GEM
       coderay (>= 1.0.0)
       erubis (>= 2.6.6)
       rack (>= 0.9.0)
-    builder (3.2.2)
+    builder (3.2.3)
     chunky_png (1.3.8)
     coderay (1.1.1)
     coffee-rails (4.0.1)
@@ -66,6 +66,7 @@ GEM
       compass (~> 1.0.0)
       sass-rails (< 5.1)
       sprockets (< 2.13)
+    concurrent-ruby (1.1.5)
     erubis (2.7.0)
     execjs (2.2.1)
     extlib (0.9.16)
@@ -97,14 +98,15 @@ GEM
     httparty (0.14.0)
       multi_xml (>= 0.5.2)
     httpauth (0.2.1)
-    i18n (0.6.9)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (2.1.3)
       activesupport (>= 3.0.0, < 5)
       multi_json (~> 1.2)
-    jquery-rails (3.1.2)
+    jquery-rails (3.1.3)
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.1)
+    json (1.8.6)
     jwt (1.5.6)
     launchy (2.4.3)
       addressable (~> 2.3)
@@ -112,7 +114,7 @@ GEM
       mime-types (>= 1.16, < 3)
     mime-types (1.25)
     mini_portile2 (2.1.0)
-    minitest (5.10.1)
+    minitest (5.11.3)
     multi_json (1.10.1)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
@@ -127,8 +129,8 @@ GEM
     public_suffix (2.0.5)
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)
-    rack (1.5.2)
-    rack-test (0.6.2)
+    rack (1.5.5)
+    rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.1.8)
       actionmailer (= 4.1.8)
@@ -146,7 +148,7 @@ GEM
       activesupport (= 4.1.8)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.3.2)
+    rake (12.3.3)
     rb-fsevent (0.9.8)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)
@@ -180,12 +182,12 @@ GEM
       activesupport (>= 3.0)
       sprockets (~> 2.8)
     sqlite3 (1.3.9)
-    thor (0.19.1)
-    thread_safe (0.3.5)
+    thor (0.20.3)
+    thread_safe (0.3.6)
     tilt (1.4.1)
     turbolinks (2.2.2)
       coffee-rails
-    tzinfo (1.2.2)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
     uglifier (2.5.3)
       execjs (>= 0.3.0)