diff --git a/Gemfile.lock b/Gemfile.lock
index 7d5ac9f..d6b4624 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -28,7 +28,7 @@ GEM
       thread_safe (~> 0.1)
       tzinfo (~> 1.1)
     arel (5.0.0)
-    builder (3.2.2)
+    builder (3.2.4)
     coffee-rails (4.0.1)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0, < 5.0)
@@ -36,26 +36,28 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.7.0)
+    concurrent-ruby (1.1.6)
     erubis (2.7.0)
     execjs (2.0.2)
     hike (1.2.3)
-    i18n (0.6.9)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (2.0.6)
       activesupport (>= 3.0.0, < 5)
       multi_json (~> 1.2)
-    jquery-rails (3.1.0)
+    jquery-rails (3.1.3)
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.1)
+    json (1.8.6)
     mail (2.5.5)
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.25.1)
-    minitest (5.3.2)
+    minitest (5.14.0)
     multi_json (1.9.2)
     polyglot (0.3.5)
-    rack (1.5.2)
-    rack-test (0.6.2)
+    rack (1.5.5)
+    rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.1.0)
       actionmailer (= 4.1.0)
@@ -72,7 +74,7 @@ GEM
       activesupport (= 4.1.0)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.2.2)
+    rake (13.0.1)
     rdoc (4.1.1)
       json (~> 1.4)
     sass (3.2.19)
@@ -95,15 +97,15 @@ GEM
       activesupport (>= 3.0)
       sprockets (~> 2.8)
     sqlite3 (1.3.9)
-    thor (0.19.1)
-    thread_safe (0.3.3)
+    thor (1.0.1)
+    thread_safe (0.3.6)
     tilt (1.4.1)
     treetop (1.4.15)
       polyglot
       polyglot (>= 0.3.1)
     turbolinks (2.2.2)
       coffee-rails
-    tzinfo (1.1.0)
+    tzinfo (1.2.7)
       thread_safe (~> 0.1)
     uglifier (2.5.0)
       execjs (>= 0.3.0)