diff --git a/logs-concentrator/Gemfile b/logs-concentrator/Gemfile
index 8b4282d8..618781c8 100644
--- a/logs-concentrator/Gemfile
+++ b/logs-concentrator/Gemfile
@@ -7,4 +7,4 @@ git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
 gem "fluent-plugin-elasticsearch", "5.4.3"
 gem "fluent-plugin-opensearch", "1.1.4"
 gem "fluent-plugin-prometheus", "2.1.0"
-gem "fluentd", "1.16.5"
+gem "fluentd", "1.17.0"
diff --git a/logs-concentrator/Gemfile.lock b/logs-concentrator/Gemfile.lock
index 30fdfeaa..2bd0b765 100644
--- a/logs-concentrator/Gemfile.lock
+++ b/logs-concentrator/Gemfile.lock
@@ -10,8 +10,11 @@ GEM
       jmespath (~> 1, >= 1.6.1)
     aws-sigv4 (1.8.0)
       aws-eventstream (~> 1, >= 1.0.2)
+    base64 (0.2.0)
     concurrent-ruby (1.2.3)
-    cool.io (1.8.0)
+    cool.io (1.8.1)
+    csv (3.3.0)
+    drb (2.2.1)
     elastic-transport (8.3.2)
       faraday (< 3)
       multi_json
@@ -48,9 +51,12 @@ GEM
     fluent-plugin-prometheus (2.1.0)
       fluentd (>= 1.9.1, < 2)
       prometheus-client (>= 2.1.0)
-    fluentd (1.16.5)
+    fluentd (1.17.0)
+      base64 (~> 0.2)
       bundler
       cool.io (>= 1.4.5, < 2.0.0)
+      csv (~> 3.2)
+      drb (~> 2.2)
       http_parser.rb (>= 0.5.1, < 0.9.0)
       msgpack (>= 1.3.1, < 2.0.0)
       serverengine (>= 2.3.2, < 3.0.0)
@@ -90,7 +96,7 @@ DEPENDENCIES
   fluent-plugin-elasticsearch (= 5.4.3)
   fluent-plugin-opensearch (= 1.1.4)
   fluent-plugin-prometheus (= 2.1.0)
-  fluentd (= 1.16.5)
+  fluentd (= 1.17.0)
 
 BUNDLED WITH
    2.5.7
diff --git a/logs-dispatcher/Gemfile b/logs-dispatcher/Gemfile
index b271f160..aa2372ed 100644
--- a/logs-dispatcher/Gemfile
+++ b/logs-dispatcher/Gemfile
@@ -18,4 +18,4 @@ gem "fluent-plugin-route", "1.0.0"
 gem "fluent-plugin-s3", "1.7.2"
 gem "fluent-plugin-splunk-enterprise", "0.10.2"
 gem "fluent-plugin-sumologic_output", "1.9.0"
-gem "fluentd", "1.16.5"
+gem "fluentd", "1.17.0"