diff --git a/Gemfile.lock b/Gemfile.lock
index bf8ef73..7ebecb2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -15,22 +15,24 @@ GEM
       thor (>= 0.14.0)
     byebug (10.0.2)
     coderay (1.1.2)
-    concurrent-ruby (1.1.6)
-    cool.io (1.6.0)
+    concurrent-ruby (1.1.9)
+    cool.io (1.7.1)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
-    fluentd (1.11.1)
+    fluentd (1.14.2)
+      bundler
       cool.io (>= 1.4.5, < 2.0.0)
-      http_parser.rb (>= 0.5.1, < 0.7.0)
+      http_parser.rb (>= 0.5.1, < 0.8.0)
       msgpack (>= 1.3.1, < 2.0.0)
-      serverengine (>= 2.0.4, < 3.0.0)
+      serverengine (>= 2.2.2, < 3.0.0)
       sigdump (~> 0.2.2)
-      strptime (>= 0.2.2, < 1.0.0)
+      strptime (>= 0.2.4, < 1.0.0)
       tzinfo (>= 1.0, < 3.0)
       tzinfo-data (~> 1.0)
+      webrick (>= 1.4.2, < 1.8.0)
       yajl-ruby (~> 1.0)
     hashdiff (0.3.7)
-    http_parser.rb (0.6.0)
+    http_parser.rb (0.7.0)
     maxitest (3.1.0)
       minitest (>= 5.0.0, < 5.12.0)
     metaclass (0.0.4)
@@ -38,7 +40,7 @@ GEM
     minitest (5.11.3)
     mocha (1.6.0)
       metaclass (~> 0.0.1)
-    msgpack (1.3.3)
+    msgpack (1.4.2)
     power_assert (1.1.3)
     pry (0.11.3)
       coderay (~> 1.1.0)
@@ -49,22 +51,23 @@ GEM
     public_suffix (3.0.2)
     rake (12.3.1)
     safe_yaml (1.0.4)
-    serverengine (2.2.1)
+    serverengine (2.2.4)
       sigdump (~> 0.2.2)
     sigdump (0.2.4)
     single_cov (1.1.0)
-    strptime (0.2.4)
+    strptime (0.2.5)
     test-unit (3.2.8)
       power_assert
     thor (0.20.0)
-    tzinfo (2.0.2)
+    tzinfo (2.0.4)
       concurrent-ruby (~> 1.0)
-    tzinfo-data (1.2020.1)
+    tzinfo-data (1.2021.5)
       tzinfo (>= 1.0.0)
     webmock (3.4.2)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
       hashdiff
+    webrick (1.7.0)
     yajl-ruby (1.4.1)
 
 PLATFORMS