--- a/Gemfile.lock	Sat Mar 25 17:58:49 2017 +0900
+++ b/Gemfile.lock	Tue May 02 23:48:23 2017 +0900
@@ -2,45 +2,45 @@
   remote: https://rubygems.org/
   remote: https://rails-assets.org/
   specs:
-    actioncable (5.0.2)
-      actionpack (= 5.0.2)
-      nio4r (>= 1.2, < 3.0)
+    actioncable (5.1.0)
+      actionpack (= 5.1.0)
+      nio4r (~> 2.0)
       websocket-driver (~> 0.6.1)
-    actionmailer (5.0.2)
-      actionpack (= 5.0.2)
-      actionview (= 5.0.2)
-      activejob (= 5.0.2)
+    actionmailer (5.1.0)
+      actionpack (= 5.1.0)
+      actionview (= 5.1.0)
+      activejob (= 5.1.0)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.0.2)
-      actionview (= 5.0.2)
-      activesupport (= 5.0.2)
+    actionpack (5.1.0)
+      actionview (= 5.1.0)
+      activesupport (= 5.1.0)
       rack (~> 2.0)
       rack-test (~> 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.0.2)
-      activesupport (= 5.0.2)
+    actionview (5.1.0)
+      activesupport (= 5.1.0)
       builder (~> 3.1)
-      erubis (~> 2.7.0)
+      erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.0.2)
-      activesupport (= 5.0.2)
+    activejob (5.1.0)
+      activesupport (= 5.1.0)
       globalid (>= 0.3.6)
-    activemodel (5.0.2)
-      activesupport (= 5.0.2)
-    activerecord (5.0.2)
-      activemodel (= 5.0.2)
-      activesupport (= 5.0.2)
-      arel (~> 7.0)
-    activesupport (5.0.2)
+    activemodel (5.1.0)
+      activesupport (= 5.1.0)
+    activerecord (5.1.0)
+      activemodel (= 5.1.0)
+      activesupport (= 5.1.0)
+      arel (~> 8.0)
+    activesupport (5.1.0)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (~> 0.7)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    arel (7.1.4)
-    autoprefixer-rails (6.7.6)
+    arel (8.0.0)
+    autoprefixer-rails (6.7.7.2)
       execjs
     bootstrap-sass (3.3.7)
       autoprefixer-rails (>= 5.2.1)
@@ -54,18 +54,18 @@
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
-    erubis (2.7.0)
+    erubi (1.6.0)
     execjs (2.7.0)
-    globalid (0.3.7)
-      activesupport (>= 4.1.0)
+    globalid (0.4.0)
+      activesupport (>= 4.2.0)
     i18n (0.8.1)
-    jquery-rails (4.2.2)
+    jquery-rails (4.3.1)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     loofah (2.0.3)
       nokogiri (>= 1.5.9)
-    mail (2.6.4)
+    mail (2.6.5)
       mime-types (>= 1.16, < 4)
     method_source (0.8.2)
     mime-types (3.1)
@@ -73,37 +73,37 @@
     mime-types-data (3.2016.0521)
     mini_portile2 (2.1.0)
     minitest (5.10.1)
-    newrelic_rpm (3.18.1.330)
+    newrelic_rpm (4.1.0.333)
     nio4r (2.0.0)
-    nokogiri (1.7.0.1)
+    nokogiri (1.7.1)
       mini_portile2 (~> 2.1.0)
-    pg (0.19.0)
-    puma (3.7.1)
+    pg (0.20.0)
+    puma (3.8.2)
     rack (2.0.1)
     rack-test (0.6.3)
       rack (>= 1.0)
-    rails (5.0.2)
-      actioncable (= 5.0.2)
-      actionmailer (= 5.0.2)
-      actionpack (= 5.0.2)
-      actionview (= 5.0.2)
-      activejob (= 5.0.2)
-      activemodel (= 5.0.2)
-      activerecord (= 5.0.2)
-      activesupport (= 5.0.2)
+    rails (5.1.0)
+      actioncable (= 5.1.0)
+      actionmailer (= 5.1.0)
+      actionpack (= 5.1.0)
+      actionview (= 5.1.0)
+      activejob (= 5.1.0)
+      activemodel (= 5.1.0)
+      activerecord (= 5.1.0)
+      activesupport (= 5.1.0)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 5.0.2)
+      railties (= 5.1.0)
       sprockets-rails (>= 2.0.0)
     rails-assets-commonmark (0.27.0)
-    rails-assets-highlightjs (9.9.0)
+    rails-assets-highlightjs (9.10.0)
     rails-dom-testing (2.0.2)
       activesupport (>= 4.2.0, < 6.0)
       nokogiri (~> 1.6)
     rails-html-sanitizer (1.0.3)
       loofah (~> 2.0)
-    railties (5.0.2)
-      actionpack (= 5.0.2)
-      activesupport (= 5.0.2)
+    railties (5.1.0)
+      actionpack (= 5.1.0)
+      activesupport (= 5.1.0)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
@@ -115,7 +115,7 @@
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
-    sprockets (3.7.1)
+    sprockets (4.0.0.beta4)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (3.2.0)
@@ -124,10 +124,10 @@
       sprockets (>= 3.0.0)
     thor (0.19.4)
     thread_safe (0.3.6)
-    tilt (2.0.6)
-    tzinfo (1.2.2)
+    tilt (2.0.7)
+    tzinfo (1.2.3)
       thread_safe (~> 0.1)
-    uglifier (3.1.2)
+    uglifier (3.2.0)
       execjs (>= 0.3.0, < 3)
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
@@ -145,7 +145,7 @@
   newrelic_rpm
   pg
   puma
-  rails (~> 5.0.1)
+  rails (~> 5.1.0)
   rails-assets-commonmark!
   rails-assets-highlightjs!
   sass-rails (~> 5.0)