--- a/Gemfile.lock	Fri May 31 09:45:02 2019 +0900
+++ b/Gemfile.lock	Sun Jul 14 15:38:04 2019 +0900
@@ -1,58 +1,59 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actionpack (5.2.3)
-      actionview (= 5.2.3)
-      activesupport (= 5.2.3)
+    actionpack (6.0.0.rc1)
+      actionview (= 6.0.0.rc1)
+      activesupport (= 6.0.0.rc1)
       rack (~> 2.0)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.2.3)
-      activesupport (= 5.2.3)
+    actionview (6.0.0.rc1)
+      activesupport (= 6.0.0.rc1)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activesupport (5.2.3)
+    activesupport (6.0.0.rc1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
+      zeitwerk (~> 2.1, >= 2.1.4)
     addressable (2.6.0)
       public_suffix (>= 2.0.2, < 4.0)
-    async (1.17.1)
+    async (1.20.1)
       console (~> 1.0)
       nio4r (~> 2.3)
       timers (~> 4.1)
-    async-container (0.10.2)
+    async-container (0.14.1)
       async (~> 1.0)
       async-io (~> 1.4)
       process-group
-    async-http (0.41.2)
-      async (~> 1.14)
-      async-io (~> 1.18)
-      protocol-http (~> 0.5.0)
-      protocol-http1 (~> 0.7.0)
-      protocol-http2 (~> 0.3.0)
-    async-io (1.23.1)
+    async-http (0.46.4)
+      async (~> 1.19)
+      async-io (~> 1.24)
+      protocol-http (~> 0.10.0)
+      protocol-http1 (~> 0.8.0)
+      protocol-http2 (~> 0.9.0)
+    async-io (1.24.0)
       async (~> 1.14)
     buftok (0.2.0)
-    build-environment (1.10.1)
+    build-environment (1.11.0)
     builder (3.2.3)
     concurrent-ruby (1.1.5)
-    console (1.2.4)
+    console (1.4.0)
     crass (1.0.4)
-    domain_name (0.5.20180417)
+    domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
     equalizer (0.0.11)
     erubi (1.8.0)
-    falcon (0.31.0)
+    falcon (0.33.11)
       async (~> 1.13)
-      async-container (~> 0.10.0)
-      async-http (~> 0.41.0)
+      async-container (~> 0.14.0)
+      async-http (~> 0.46.0)
       async-io (~> 1.22)
-      build-environment (~> 1.6)
+      build-environment (~> 1.11)
       localhost (~> 1.1)
       rack (>= 1.0)
       samovar (~> 2.1)
@@ -81,24 +82,27 @@
     minitest (5.11.3)
     multipart-post (2.1.1)
     naught (1.1.0)
-    newrelic_rpm (6.4.0.356)
-    nio4r (2.3.1)
+    newrelic_rpm (6.5.0.357)
+    nio4r (2.4.0)
+    nio4r (2.4.0-java)
     nokogiri (1.10.3)
       mini_portile2 (~> 2.4.0)
     nokogiri (1.10.3-java)
     nokogiri (1.10.3-x86-mingw32)
       mini_portile2 (~> 2.4.0)
     process-group (1.1.0)
-    protocol-hpack (1.0.0)
-    protocol-http (0.5.0)
-    protocol-http1 (0.7.0)
+    protocol-hpack (1.4.1)
+    protocol-http (0.10.0)
+    protocol-http1 (0.8.3)
       protocol-http (~> 0.5)
-    protocol-http2 (0.3.0)
-      protocol-hpack (~> 1.0)
+    protocol-http2 (0.9.3)
+      protocol-hpack (~> 1.4)
       protocol-http (~> 0.2)
-    public_suffix (3.1.0)
-    puma (3.12.1)
-    puma (3.12.1-java)
+    public_suffix (3.1.1)
+    puma (4.0.1)
+      nio4r (~> 2.0)
+    puma (4.0.1-java)
+      nio4r (~> 2.0)
     rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -107,12 +111,12 @@
       nokogiri (>= 1.6)
     rails-html-sanitizer (1.0.4)
       loofah (~> 2.2, >= 2.2.2)
-    railties (5.2.3)
-      actionpack (= 5.2.3)
-      activesupport (= 5.2.3)
+    railties (6.0.0.rc1)
+      actionpack (= 6.0.0.rc1)
+      activesupport (= 6.0.0.rc1)
       method_source
       rake (>= 0.8.7)
-      thor (>= 0.19.0, < 2.0)
+      thor (>= 0.20.3, < 2.0)
     rake (12.3.2)
     redis (4.1.2)
     redis-actionpack (5.0.2)
@@ -159,6 +163,7 @@
       unf_ext
     unf (0.1.4-java)
     unf_ext (0.0.7.6)
+    zeitwerk (2.1.8)
 
 PLATFORMS
   java
@@ -166,12 +171,12 @@
   x86-mingw32
 
 DEPENDENCIES
-  actionpack (~> 5.2.0)
-  actionview (~> 5.2.0)
+  actionpack (~> 6.0.0.rc1)
+  actionview (~> 6.0.0.rc1)
   falcon
   newrelic_rpm
   puma
-  railties (~> 5.2.0)
+  railties (~> 6.0.0.rc1)
   redis
   redis-rails
   redis-store