--- a/Gemfile.lock	Tue Nov 14 22:49:16 2017 +0900
+++ b/Gemfile.lock	Sat Dec 09 20:08:42 2017 +0900
@@ -34,18 +34,18 @@
       activemodel (= 5.1.4)
       activesupport (= 5.1.4)
       arel (~> 8.0)
-    activerecord-jdbc-adapter (1.3.22)
+    activerecord-jdbc-adapter (50.0)
       activerecord (>= 2.2)
-    activerecord-jdbcpostgresql-adapter (1.3.22)
-      activerecord-jdbc-adapter (~> 1.3.22)
-      jdbc-postgres (>= 9.1)
+    activerecord-jdbcpostgresql-adapter (50.0)
+      activerecord-jdbc-adapter (~> 50.0)
+      jdbc-postgres (>= 9.4, < 43)
     activesupport (5.1.4)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (~> 0.7)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     arel (8.0.0)
-    autoprefixer-rails (7.1.4)
+    autoprefixer-rails (7.2.2)
       execjs
     bootstrap-sass (3.3.7)
       autoprefixer-rails (>= 5.2.1)
@@ -60,40 +60,41 @@
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
     concurrent-ruby (1.0.5-java)
-    erubi (1.6.1)
+    crass (1.0.3)
+    erubi (1.7.0)
     execjs (2.7.0)
     ffi (1.9.18)
     ffi (1.9.18-java)
-    globalid (0.4.0)
+    globalid (0.4.1)
       activesupport (>= 4.2.0)
-    i18n (0.8.6)
-    jdbc-postgres (9.4.1206)
+    i18n (0.9.1)
+      concurrent-ruby (~> 1.0)
+    jdbc-postgres (42.1.4)
     jquery-rails (4.3.1)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     jruby-openssl (0.9.21-java)
-    loofah (2.0.3)
+    loofah (2.1.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    mail (2.6.6)
-      mime-types (>= 1.16, < 4)
-    method_source (0.8.2)
-    mime-types (3.1)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2016.0521)
-    mini_portile2 (2.2.0)
+    mail (2.7.0)
+      mini_mime (>= 0.1.1)
+    method_source (0.9.0)
+    mini_mime (1.0.0)
+    mini_portile2 (2.3.0)
     minitest (5.10.3)
-    newrelic_rpm (4.4.0.336)
+    newrelic_rpm (4.6.0.338)
     nio4r (2.1.0)
     nio4r (2.1.0-java)
-    nokogiri (1.8.0)
-      mini_portile2 (~> 2.2.0)
-    nokogiri (1.8.0-java)
+    nokogiri (1.8.1)
+      mini_portile2 (~> 2.3.0)
+    nokogiri (1.8.1-java)
     pg (0.21.0)
-    puma (3.10.0)
-    puma (3.10.0-java)
+    puma (3.11.0)
+    puma (3.11.0-java)
     rack (2.0.3)
-    rack-test (0.7.0)
+    rack-test (0.8.2)
       rack (>= 1.0, < 3)
     rails (5.1.4)
       actioncable (= 5.1.4)
@@ -120,16 +121,16 @@
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (12.0.0)
+    rake (12.3.0)
     rb-fsevent (0.10.2)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
-    sass (3.5.1)
+    sass (3.5.3)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    sass-rails (5.0.6)
+    sass-rails (5.0.7)
       railties (>= 4.0.0, < 6)
       sass (~> 3.1)
       sprockets (>= 2.8, < 4.0)
@@ -149,15 +150,15 @@
     thread_safe (0.3.6)
     thread_safe (0.3.6-java)
     tilt (2.0.8)
-    tzinfo (1.2.3)
+    tzinfo (1.2.4)
       thread_safe (~> 0.1)
-    uglifier (3.2.0)
+    uglifier (4.0.1)
       execjs (>= 0.3.0, < 3)
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
     websocket-driver (0.6.5-java)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.2)
+    websocket-extensions (0.1.3)
 
 PLATFORMS
   java
@@ -180,4 +181,4 @@
   uglifier (>= 1.3.0)
 
 BUNDLED WITH
-   1.15.3
+   1.16.0