diff --git a/Jenkinsfile b/Jenkinsfile
index 8f08aee5da1..365060a2d41 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -262,7 +262,7 @@ stage('Configure') {
 					new LocalElasticsearchBuildEnvironment(version: '8.18.7', condition: TestCondition.ON_DEMAND),
 					new LocalElasticsearchBuildEnvironment(version: '8.19.4', condition: TestCondition.AFTER_MERGE),
 					new LocalElasticsearchBuildEnvironment(version: '9.0.7', condition: TestCondition.ON_DEMAND),
-					new LocalElasticsearchBuildEnvironment(version: '9.1.4', condition: TestCondition.BEFORE_MERGE, isDefault: true),
+					new LocalElasticsearchBuildEnvironment(version: '9.1.5', condition: TestCondition.BEFORE_MERGE, isDefault: true),
 					// IMPORTANT: Make sure to update the documentation for any newly supported Elasticsearch versions
 					//            See version.org.elasticsearch.compatible.expected.text
 					//            and version.org.elasticsearch.compatible.regularly-tested.text in POMs.
diff --git a/bom/platform-common/pom.xml b/bom/platform-common/pom.xml
index c8cc7768e8f..1d8ea766dd7 100644
--- a/bom/platform-common/pom.xml
+++ b/bom/platform-common/pom.xml
@@ -19,7 +19,7 @@
 
         <!-- These versions will be checked against the ones resolved by Maven for the project in the enforcer rule -->
         <version.bom.org.hibernate.orm>7.1.2.Final</version.bom.org.hibernate.orm>
-        <version.bom.org.elasticsearch.client>9.1.4</version.bom.org.elasticsearch.client>
+        <version.bom.org.elasticsearch.client>9.1.5</version.bom.org.elasticsearch.client>
         <version.bom.software.amazon.awssdk>2.32.10</version.bom.software.amazon.awssdk>
         <version.bom.io.smallrye>3.3.1</version.bom.io.smallrye>
         <version.bom.org.jboss.logging.processor>3.0.4.Final</version.bom.org.jboss.logging.processor>
diff --git a/build/container/search-backend/elastic.Dockerfile b/build/container/search-backend/elastic.Dockerfile
index a295492aebe..b198b915e4f 100644
--- a/build/container/search-backend/elastic.Dockerfile
+++ b/build/container/search-backend/elastic.Dockerfile
@@ -5,4 +5,4 @@
 #  * update `version.org.elasticsearch.latest` property in a POM file.
 #  * update the tags for 'elasticsearch-current' and 'elasticsearch-next' builds in ci/dependency-update/Jenkinsfile
 #
-FROM docker.io/elastic/elasticsearch:9.1.4
+FROM docker.io/elastic/elasticsearch:9.1.5
diff --git a/build/parents/build/pom.xml b/build/parents/build/pom.xml
index 2fc01053701..ef8b5cdda1c 100644
--- a/build/parents/build/pom.xml
+++ b/build/parents/build/pom.xml
@@ -49,7 +49,7 @@
         <!-- >>> Elasticsearch -->
         <!-- The version of the Elasticsearch client used by Hibernate Search, independently of the version of the remote cluster -->
         <!-- Use the latest open-source version here. Currently, low-level clients are open-source even in 8.5+ -->
-        <version.org.elasticsearch.client>9.1.4</version.org.elasticsearch.client>
+        <version.org.elasticsearch.client>9.1.5</version.org.elasticsearch.client>
         <!-- Various HTTP client versions that our own Elasticsearch client implementations depend on -->
         <version.org.apache.httpcomponents.httpclient>4.5.14</version.org.apache.httpcomponents.httpclient>
         <version.org.apache.httpcomponents.httpcore>4.4.16</version.org.apache.httpcomponents.httpcore>
diff --git a/pom.xml b/pom.xml
index d9b22321972..6bb6226cf11 100644
--- a/pom.xml
+++ b/pom.xml
@@ -389,7 +389,7 @@
 
         <!-- Container images for various integration tests -->
         <!-- The latest version of Elasticsearch tested against by default -->
-        <version.org.elasticsearch.latest>9.1.4</version.org.elasticsearch.latest>
+        <version.org.elasticsearch.latest>9.1.5</version.org.elasticsearch.latest>
         <test.elasticsearch.version></test.elasticsearch.version>
         <test.elasticsearch.distribution>elastic</test.elasticsearch.distribution>