--- a/Gemfile.lock	Sat Oct 13 14:36:14 2018 +0900
+++ b/Gemfile.lock	Mon Oct 22 15:24:39 2018 +0900
@@ -21,6 +21,18 @@
       tzinfo (~> 1.1)
     addressable (2.5.2)
       public_suffix (>= 2.0.2, < 4.0)
+    async (1.10.3)
+      nio4r (~> 2.3)
+      timers (~> 4.1)
+    async-container (0.6.1)
+      async (~> 1.0)
+      async-io (~> 1.4)
+    async-http (0.34.3)
+      async (~> 1.6)
+      async-io (~> 1.16)
+      http-protocol (~> 0.6.0)
+    async-io (1.16.1)
+      async (~> 1.3)
     buftok (0.2.0)
     builder (3.2.3)
     concurrent-ruby (1.0.5)
@@ -30,6 +42,15 @@
       unf (>= 0.0.5, < 1.0.0)
     equalizer (0.0.11)
     erubi (1.7.1)
+    falcon (0.18.14)
+      async-container (~> 0.6.0)
+      async-http (~> 0.34.0)
+      async-io (~> 1.9)
+      http-protocol (~> 0.6.0)
+      localhost (~> 1.1)
+      rack (>= 1.0)
+      samovar (~> 1.3)
+    hitimes (1.3.0)
     http (3.3.0)
       addressable (~> 2.3)
       http-cookie (~> 1.0)
@@ -38,15 +59,19 @@
     http-cookie (1.0.3)
       domain_name (~> 0.5)
     http-form_data (2.1.1)
+    http-hpack (0.1.1)
+    http-protocol (0.6.1)
+      http-hpack (~> 0.1.0)
     http_parser.rb (0.6.0)
     http_parser.rb (0.6.0-java)
     i18n (1.1.0)
       concurrent-ruby (~> 1.0)
     idn-ruby (0.1.0)
-    kgio (2.11.2)
+    localhost (1.1.4)
     loofah (2.2.2)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
+    mapping (1.1.1)
     memoizable (0.4.2)
       thread_safe (~> 0.3, >= 0.3.1)
     method_source (0.9.0)
@@ -55,6 +80,7 @@
     multipart-post (2.0.0)
     naught (1.1.0)
     newrelic_rpm (5.4.0.347)
+    nio4r (2.3.1)
     nokogiri (1.8.5)
       mini_portile2 (~> 2.3.0)
     nokogiri (1.8.5-java)
@@ -77,7 +103,8 @@
       method_source
       rake (>= 0.8.7)
       thor (>= 0.19.0, < 2.0)
-    raindrops (0.19.0)
+    rainbow (2.2.2)
+      rake
     rake (12.3.1)
     redis (4.0.2)
     redis-actionpack (5.0.2)
@@ -96,10 +123,15 @@
       redis-store (>= 1.2, < 2)
     redis-store (1.6.0)
       redis (>= 2.2, < 5)
+    samovar (1.9.0)
+      mapping (~> 1.0)
+      rainbow (~> 2.0)
     simple_oauth (0.3.1)
     thor (0.20.0)
     thread_safe (0.3.6)
     thread_safe (0.3.6-java)
+    timers (4.1.2)
+      hitimes
     twitter (6.2.0)
       addressable (~> 2.3)
       buftok (~> 0.2.0)
@@ -121,9 +153,6 @@
     unf (0.1.4-java)
     unf_ext (0.0.7.5)
     unf_ext (0.0.7.5-x86-mingw32)
-    unicorn (5.4.1)
-      kgio (~> 2.6)
-      raindrops (~> 0.7)
 
 PLATFORMS
   java
@@ -133,6 +162,7 @@
 DEPENDENCIES
   actionpack (~> 5.2.0)
   actionview (~> 5.2.0)
+  falcon
   newrelic_rpm
   puma
   railties (~> 5.2.0)
@@ -141,7 +171,6 @@
   redis-store
   twitter
   twitter-text
-  unicorn
 
 BUNDLED WITH
    1.16.1