diff --git a/log4j-layout-template-json-test/pom.xml b/log4j-layout-template-json-test/pom.xml
index e7dd53bb689..cb9d78ed3a0 100644
--- a/log4j-layout-template-json-test/pom.xml
+++ b/log4j-layout-template-json-test/pom.xml
@@ -38,8 +38,8 @@
     <sign.skip>true</sign.skip>
 
     <!--
-      ~ OSGi and JPMS options
-      -->
+     ~ OSGi and JPMS options
+    -->
     <bnd-module-name>org.apache.logging.log4j.layout.template.json.test</bnd-module-name>
     <Fragment-Host>org.apache.logging.log4j.core</Fragment-Host>
 
@@ -49,7 +49,7 @@
          2. The Docker image version of the ELK-stack
 
          As of 2024-09-16, these all (Maven artifacts and Elastic products) get released with the same version. -->
-    <elastic.version>8.17.3</elastic.version>
+    <elastic.version>9.1.5</elastic.version>
 
   </properties>
 
@@ -97,6 +97,13 @@
       <scope>test</scope>
     </dependency>
 
+    <dependency>
+      <groupId>org.elasticsearch.client</groupId>
+      <artifactId>elasticsearch-rest-client</artifactId>
+      <version>${elastic.version}</version>
+      <scope>test</scope>
+    </dependency>
+
     <!-- Needed by elasticsearch-java for testing -->
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
@@ -105,6 +112,13 @@
       <scope>test</scope>
     </dependency>
 
+    <dependency>
+      <groupId>com.fasterxml.jackson.dataformat</groupId>
+      <artifactId>jackson-dataformat-yaml</artifactId>
+      <version>${jackson2.test.version}</version>
+      <scope>test</scope>
+    </dependency>
+
     <dependency>
       <groupId>com.google.code.java-allocation-instrumenter</groupId>
       <artifactId>java-allocation-instrumenter</artifactId>
@@ -123,6 +137,13 @@
       <scope>test</scope>
     </dependency>
 
+    <dependency>
+      <groupId>co.elastic.logging</groupId>
+      <artifactId>log4j2-ecs-layout</artifactId>
+      <version>1.7.0</version>
+      <scope>test</scope>
+    </dependency>
+
   </dependencies>
 
   <build>
@@ -153,8 +174,8 @@
       <id>docker</id>
 
       <!--
-        ~ Only the `ubuntu` CI runners have access to Docker
-        -->
+      ~ Only the `ubuntu` CI runners have access to Docker
+      -->
       <activation>
         <os>
           <family>linux</family>
@@ -172,7 +193,7 @@
         <docker.verbose>false</docker.verbose>
 
         <!-- `docker run elasticsearch:<TAG>` exists with code 137 due to insufficient memory.
-             We limit the used JVM memory to avoid this OOM failure. -->
+              We limit the used JVM memory to avoid this OOM failure. -->
         <elastic.javaOpts>-Xms750m -Xmx750m</elastic.javaOpts>
 
       </properties>