diff --git a/Gemfile.lock b/Gemfile.lock
index 74c2077..87b8af4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,16 +8,16 @@ GIT
 GEM
   remote: http://rubygems.org/
   specs:
-    actionpack (4.1.14.1)
-      actionview (= 4.1.14.1)
-      activesupport (= 4.1.14.1)
+    actionpack (4.1.16)
+      actionview (= 4.1.16)
+      activesupport (= 4.1.16)
       rack (~> 1.5.2)
       rack-test (~> 0.6.2)
-    actionview (4.1.14.1)
-      activesupport (= 4.1.14.1)
+    actionview (4.1.16)
+      activesupport (= 4.1.16)
       builder (~> 3.1)
       erubis (~> 2.7.0)
-    activesupport (4.1.14.1)
+    activesupport (4.1.16)
       i18n (~> 0.6, >= 0.6.9)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
@@ -29,7 +29,7 @@ GEM
     bootstrap-sass (3.3.6)
       autoprefixer-rails (>= 5.2.1)
       sass (>= 3.3.4)
-    builder (3.2.2)
+    builder (3.2.3)
     celluloid (0.16.0)
       timers (~> 4.0.0)
     chunky_png (1.3.5)
@@ -102,7 +102,7 @@ GEM
       sprockets (~> 2.12.1)
       sprockets-helpers (~> 1.1.0)
       sprockets-sass (~> 1.3.0)
-    minitest (5.8.4)
+    minitest (5.13.0)
     multi_json (1.11.2)
     net-sftp (2.1.2)
       net-ssh (>= 2.6.5)
@@ -117,12 +117,12 @@ GEM
     rack (1.5.5)
     rack-test (0.6.3)
       rack (>= 1.0)
-    railties (4.1.14.1)
-      actionpack (= 4.1.14.1)
-      activesupport (= 4.1.14.1)
+    railties (4.1.16)
+      actionpack (= 4.1.16)
+      activesupport (= 4.1.16)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.5.0)
+    rake (13.0.1)
     rb-fsevent (0.9.7)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)
@@ -147,12 +147,12 @@ GEM
     sprockets-sass (1.3.1)
       sprockets (~> 2.0)
       tilt (~> 1.1)
-    thor (0.19.1)
-    thread_safe (0.3.5)
+    thor (0.20.3)
+    thread_safe (0.3.6)
     tilt (1.4.1)
     timers (4.0.4)
       hitimes
-    tzinfo (1.2.2)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
     uber (0.0.15)
     uglifier (2.7.2)