diff --git a/logs-concentrator/Gemfile b/logs-concentrator/Gemfile
index 2e0961d7..43ae7e07 100644
--- a/logs-concentrator/Gemfile
+++ b/logs-concentrator/Gemfile
@@ -5,6 +5,6 @@ source "https://rubygems.org"
 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-opensearch", "1.1.5"
 gem "fluent-plugin-prometheus", "2.2.0"
 gem "fluentd", "1.16.5"
diff --git a/logs-concentrator/Gemfile.lock b/logs-concentrator/Gemfile.lock
index d35a1e67..8b679e22 100644
--- a/logs-concentrator/Gemfile.lock
+++ b/logs-concentrator/Gemfile.lock
@@ -11,7 +11,7 @@ GEM
     aws-sigv4 (1.8.0)
       aws-eventstream (~> 1, >= 1.0.2)
     base64 (0.2.0)
-    concurrent-ruby (1.3.3)
+    concurrent-ruby (1.3.4)
     cool.io (1.8.1)
     elastic-transport (8.3.2)
       faraday (< 3)
@@ -22,12 +22,12 @@ GEM
     elasticsearch-api (8.13.0)
       multi_json
     excon (0.110.0)
-    faraday (2.9.0)
+    faraday (2.9.2)
       faraday-net_http (>= 2.0, < 3.2)
     faraday-excon (2.1.0)
       excon (>= 0.27.4)
       faraday (~> 2.0)
-    faraday-net_http (3.1.0)
+    faraday-net_http (3.1.1)
       net-http
     faraday_middleware-aws-sigv4 (1.0.1)
       aws-sigv4 (~> 1.0)
@@ -38,14 +38,14 @@ GEM
       faraday (>= 2.0.0)
       faraday-excon (>= 2.0.0)
       fluentd (>= 0.14.22)
-    fluent-plugin-opensearch (1.1.4)
+    fluent-plugin-opensearch (1.1.5)
       aws-sdk-core (~> 3)
       excon
       faraday (>= 2.0.0)
       faraday-excon (>= 2.0.0)
       faraday_middleware-aws-sigv4 (~> 1.0.1)
       fluentd (>= 0.14.22)
-      opensearch-ruby
+      opensearch-ruby (>= 3.0.1)
     fluent-plugin-prometheus (2.2.0)
       fluentd (>= 1.9.1, < 2)
       prometheus-client (>= 2.1.0)
@@ -78,10 +78,10 @@ GEM
     strptime (0.2.5)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    tzinfo-data (1.2024.1)
+    tzinfo-data (1.2024.2)
       tzinfo (>= 1.0.0)
-    uri (0.13.0)
-    webrick (1.8.1)
+    uri (0.13.1)
+    webrick (1.8.2)
     yajl-ruby (1.4.3)
 
 PLATFORMS
@@ -90,7 +90,7 @@ PLATFORMS
 
 DEPENDENCIES
   fluent-plugin-elasticsearch (= 5.4.3)
-  fluent-plugin-opensearch (= 1.1.4)
+  fluent-plugin-opensearch (= 1.1.5)
   fluent-plugin-prometheus (= 2.2.0)
   fluentd (= 1.16.5)