--- a/Gemfile.lock	Sat Nov 17 00:32:11 2018 +0900
+++ b/Gemfile.lock	Sun Dec 09 02:39:33 2018 +0900
@@ -1,37 +1,37 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actionpack (5.2.1)
-      actionview (= 5.2.1)
-      activesupport (= 5.2.1)
+    actionpack (5.2.2)
+      actionview (= 5.2.2)
+      activesupport (= 5.2.2)
       rack (~> 2.0)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.2.1)
-      activesupport (= 5.2.1)
+    actionview (5.2.2)
+      activesupport (= 5.2.2)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activesupport (5.2.1)
+    activesupport (5.2.2)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     addressable (2.5.2)
       public_suffix (>= 2.0.2, < 4.0)
-    async (1.10.3)
+    async (1.11.0)
       nio4r (~> 2.3)
       timers (~> 4.1)
     async-container (0.8.1)
       async (~> 1.0)
       async-io (~> 1.4)
-    async-http (0.37.2)
+    async-http (0.37.6)
       async (~> 1.6)
       async-io (~> 1.16)
       http-protocol (~> 0.10)
-    async-io (1.16.4)
+    async-io (1.17.2)
       async (~> 1.3)
     buftok (0.2.0)
     builder (3.2.3)
@@ -41,7 +41,7 @@
       unf (>= 0.0.5, < 1.0.0)
     equalizer (0.0.11)
     erubi (1.7.1)
-    falcon (0.19.4)
+    falcon (0.19.6)
       async-container (~> 0.8.0)
       async-http (~> 0.37.2)
       async-io (~> 1.9)
@@ -95,14 +95,14 @@
       nokogiri (>= 1.6)
     rails-html-sanitizer (1.0.4)
       loofah (~> 2.2, >= 2.2.2)
-    railties (5.2.1)
-      actionpack (= 5.2.1)
-      activesupport (= 5.2.1)
+    railties (5.2.2)
+      actionpack (= 5.2.2)
+      activesupport (= 5.2.2)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.19.0, < 2.0)
     rainbow (3.0.0)
-    rake (12.3.1)
+    rake (12.3.2)
     redis (4.0.3)
     redis-actionpack (5.0.2)
       actionpack (>= 4.0, < 6)
@@ -169,4 +169,4 @@
   twitter-text
 
 BUNDLED WITH
-   1.16.1
+   1.17.1