diff --git a/package/Gemfile b/package/Gemfile
index 0b0db01..6784fd6 100755
--- a/package/Gemfile
+++ b/package/Gemfile
@@ -13,6 +13,7 @@ gem 'fluent-plugin-splunk-enterprise'
 gem 'fluent-plugin-kafka'
 gem 'fluent-plugin-kubernetes_metadata_filter'
 gem 'fluent-plugin-remote_syslog_tls'
+gem 'fluent-plugin-gelf-hs'
 
 # filter plugins
 gem 'fluent-plugin-concat'
diff --git a/package/Gemfile.lock b/package/Gemfile.lock
index 9797447..40cacee 100644
--- a/package/Gemfile.lock
+++ b/package/Gemfile.lock
@@ -18,7 +18,7 @@ GEM
       faraday
       multi_json
     excon (0.71.1)
-    faraday (0.17.1)
+    faraday (1.0.0)
       multipart-post (>= 1.2, < 3)
     ffi (1.11.3)
     ffi-compiler (1.0.1)
@@ -32,6 +32,9 @@ GEM
       elasticsearch
       excon
       fluentd (>= 0.14.22)
+    fluent-plugin-gelf-hs (1.0.8)
+      fluentd
+      gelf (>= 2.0.0)
     fluent-plugin-kafka (0.12.1)
       fluentd (>= 0.10.58, < 2)
       ltsv
@@ -55,7 +58,7 @@ GEM
       fluentd (>= 0.12.0)
       httpclient
       json
-    fluentd (1.8.0)
+    fluentd (1.8.1)
       cool.io (>= 1.4.5, < 2.0.0)
       dig_rb (~> 1.0.0)
       http_parser.rb (>= 0.5.1, < 0.7.0)
@@ -66,6 +69,8 @@ GEM
       tzinfo (>= 1.0, < 3.0)
       tzinfo-data (~> 1.0)
       yajl-ruby (~> 1.0)
+    gelf (3.1.0)
+      json
     http (4.2.0)
       addressable (~> 2.3)
       http-cookie (~> 1.0)
@@ -80,13 +85,13 @@ GEM
     http_parser.rb (0.6.0)
     httpclient (2.8.3)
     json (2.3.0)
-    kubeclient (4.5.0)
+    kubeclient (4.6.0)
       http (>= 3.0, < 5.0)
       recursive-open-struct (~> 1.0, >= 1.0.4)
       rest-client (~> 2.0)
     lru_redux (1.1.0)
     ltsv (0.1.2)
-    mime-types (3.3)
+    mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.1009)
     msgpack (1.3.1)
@@ -96,7 +101,7 @@ GEM
     oj (3.10.0)
     prometheus-client (0.9.0)
       quantile (~> 0.2.1)
-    public_suffix (4.0.1)
+    public_suffix (4.0.3)
     quantile (0.2.1)
     rake (13.0.1)
     recursive-open-struct (1.1.0)
@@ -114,7 +119,7 @@ GEM
     sigdump (0.2.4)
     strptime (0.2.3)
     syslog_protocol (0.9.2)
-    tzinfo (2.0.0)
+    tzinfo (2.0.1)
       concurrent-ruby (~> 1.0)
     tzinfo-data (1.2019.3)
       tzinfo (>= 1.0.0)
@@ -131,6 +136,7 @@ DEPENDENCIES
   cool.io
   fluent-plugin-concat
   fluent-plugin-elasticsearch
+  fluent-plugin-gelf-hs
   fluent-plugin-kafka
   fluent-plugin-kubernetes_metadata_filter
   fluent-plugin-multi-format-parser
@@ -144,4 +150,4 @@ DEPENDENCIES
   zookeeper
 
 BUNDLED WITH
-   2.1.2
+   2.1.4
diff --git a/package/windows/Gemfile b/package/windows/Gemfile
index 7438758..2d99706 100755
--- a/package/windows/Gemfile
+++ b/package/windows/Gemfile
@@ -19,6 +19,7 @@ gem 'fluent-plugin-splunk-enterprise'
 gem 'fluent-plugin-kafka'
 gem 'fluent-plugin-kubernetes_metadata_filter'
 gem 'fluent-plugin-remote_syslog_tls'
+gem 'fluent-plugin-gelf-hs'
 
 # filter plugins
 gem 'fluent-plugin-concat'
diff --git a/package/windows/Gemfile.lock b/package/windows/Gemfile.lock
index caa3de9..7855cf3 100644
--- a/package/windows/Gemfile.lock
+++ b/package/windows/Gemfile.lock
@@ -19,7 +19,7 @@ GEM
       faraday
       multi_json
     excon (0.71.1)
-    faraday (0.17.1)
+    faraday (1.0.0)
       multipart-post (>= 1.2, < 3)
     ffi (1.11.3-x64-mingw32)
     ffi-compiler (1.0.1)
@@ -35,7 +35,10 @@ GEM
       elasticsearch
       excon
       fluentd (>= 0.14.22)
-    fluent-plugin-kafka (0.12.1)
+    fluent-plugin-gelf-hs (1.0.8)
+      fluentd
+      gelf (>= 2.0.0)
+    fluent-plugin-kafka (0.12.2)
       fluentd (>= 0.10.58, < 2)
       ltsv
       ruby-kafka (>= 0.7.8, < 0.8.0)
@@ -58,7 +61,7 @@ GEM
       fluentd (>= 0.12.0)
       httpclient
       json
-    fluentd (1.8.0-x64-mingw32)
+    fluentd (1.8.1-x64-mingw32)
       certstore_c (~> 0.1.2)
       cool.io (>= 1.4.5, < 2.0.0)
       dig_rb (~> 1.0.0)
@@ -74,27 +77,29 @@ GEM
       win32-service (~> 0.8.3)
       windows-pr (~> 1.2.5)
       yajl-ruby (~> 1.0)
-    http (4.2.0)
+    gelf (3.1.0)
+      json
+    http (4.3.0)
       addressable (~> 2.3)
       http-cookie (~> 1.0)
-      http-form_data (~> 2.0)
+      http-form_data (~> 2.2)
       http-parser (~> 1.2.0)
     http-accept (1.7.0)
     http-cookie (1.0.3)
       domain_name (~> 0.5)
-    http-form_data (2.1.1)
+    http-form_data (2.2.0)
     http-parser (1.2.1)
       ffi-compiler (>= 1.0, < 2.0)
     http_parser.rb (0.6.0)
     httpclient (2.8.3)
     json (2.3.0)
-    kubeclient (4.5.0)
+    kubeclient (4.6.0)
       http (>= 3.0, < 5.0)
       recursive-open-struct (~> 1.0, >= 1.0.4)
       rest-client (~> 2.0)
     lru_redux (1.1.0)
     ltsv (0.1.2)
-    mime-types (3.3)
+    mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.1009)
     msgpack (1.3.1-x64-mingw32)
@@ -104,7 +109,7 @@ GEM
     oj (3.10.0)
     prometheus-client (0.9.0)
       quantile (~> 0.2.1)
-    public_suffix (4.0.1)
+    public_suffix (4.0.3)
     quantile (0.2.1)
     rake (13.0.1)
     recursive-open-struct (1.1.0)
@@ -152,6 +157,7 @@ DEPENDENCIES
   cool.io
   fluent-plugin-concat
   fluent-plugin-elasticsearch
+  fluent-plugin-gelf-hs
   fluent-plugin-kafka
   fluent-plugin-kubernetes_metadata_filter
   fluent-plugin-multi-format-parser
@@ -168,4 +174,4 @@ DEPENDENCIES
   windows-pr
 
 BUNDLED WITH
-   2.1.2
\ No newline at end of file
+   2.1.4