diff --git a/Gemfile.lock b/Gemfile.lock
index 6bc305da6..c38b23239 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -129,13 +129,13 @@ GEM
       dry-initializer (~> 3.0)
       dry-schema (>= 1.12, < 2)
       zeitwerk (~> 2.6)
-    elastic-transport (8.3.2)
+    elastic-transport (8.3.5)
       faraday (< 3)
       multi_json
-    elasticsearch (8.2.2)
-      elastic-transport (~> 8.0)
-      elasticsearch-api (= 8.2.2)
-    elasticsearch-api (8.2.2)
+    elasticsearch (8.15.0)
+      elastic-transport (~> 8.3)
+      elasticsearch-api (= 8.15.0)
+    elasticsearch-api (8.15.0)
       multi_json
     epsilla-ruby (0.0.4)
       faraday (>= 1)
@@ -195,7 +195,7 @@ GEM
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
     jmespath (1.6.2)
-    json (2.7.2)
+    json (2.7.4)
     json-schema (4.3.0)
       addressable (>= 2.8)
     jwt (2.8.1)
@@ -450,7 +450,7 @@ DEPENDENCIES
   cohere-ruby (~> 0.9.10)
   docx (~> 0.8.0)
   dotenv-rails (~> 2.7.6)
-  elasticsearch (~> 8.2.0)
+  elasticsearch (~> 8.15.0)
   epsilla-ruby (~> 0.0.4)
   eqn (~> 1.6.5)
   faraday
diff --git a/langchain.gemspec b/langchain.gemspec
index f38500d0a..c190a1c66 100644
--- a/langchain.gemspec
+++ b/langchain.gemspec
@@ -48,7 +48,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "chroma-db", "~> 0.6.0"
   spec.add_development_dependency "cohere-ruby", "~> 0.9.10"
   spec.add_development_dependency "docx", "~> 0.8.0"
-  spec.add_development_dependency "elasticsearch", "~> 8.2.0"
+  spec.add_development_dependency "elasticsearch", "~> 8.15.0"
   spec.add_development_dependency "epsilla-ruby", "~> 0.0.4"
   spec.add_development_dependency "eqn", "~> 1.6.5"
   spec.add_development_dependency "faraday"