diff --git a/elasticsearch/example/src/test/java/example/springdata/elasticsearch/conference/ElasticsearchOperationsTest.java b/elasticsearch/example/src/test/java/example/springdata/elasticsearch/conference/ElasticsearchOperationsTest.java
index a1dac2ba..4a52ba8a 100644
--- a/elasticsearch/example/src/test/java/example/springdata/elasticsearch/conference/ElasticsearchOperationsTest.java
+++ b/elasticsearch/example/src/test/java/example/springdata/elasticsearch/conference/ElasticsearchOperationsTest.java
@@ -52,7 +52,7 @@ class ElasticsearchOperationsTest {
 
 	private static final SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
 	@Container //
-	private static ElasticsearchContainer container = new ElasticsearchContainer(
+	private static final ElasticsearchContainer container = new ElasticsearchContainer(
 			DockerImageName.parse("docker.elastic.co/elasticsearch/elasticsearch:8.7.0")) //
 			.withPassword("foobar") //
 			.withReuse(true);
@@ -65,7 +65,8 @@ class ElasticsearchOperationsTest {
 			Assert.notNull(container, "TestContainer is not initialized!");
 
 			return ClientConfiguration.builder() //
-					.connectedTo(container.getHttpHostAddress()).usingSsl(container.createSslContextFromCa()) //
+					.connectedTo(container.getHttpHostAddress()) //
+					.usingSsl(container.createSslContextFromCa()) //
 					.withBasicAuth("elastic", "foobar") //
 					.build();
 		}
diff --git a/elasticsearch/reactive/src/test/java/example/springdata/elasticsearch/conference/ReactiveElasticsearchOperationsTest.java b/elasticsearch/reactive/src/test/java/example/springdata/elasticsearch/conference/ReactiveElasticsearchOperationsTest.java
index b5b83a5c..8b885d38 100644
--- a/elasticsearch/reactive/src/test/java/example/springdata/elasticsearch/conference/ReactiveElasticsearchOperationsTest.java
+++ b/elasticsearch/reactive/src/test/java/example/springdata/elasticsearch/conference/ReactiveElasticsearchOperationsTest.java
@@ -53,7 +53,7 @@ class ReactiveElasticsearchOperationsTest {
 	private static final SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
 
 	@Container //
-	private static ElasticsearchContainer container = new ElasticsearchContainer(
+	private static final ElasticsearchContainer container = new ElasticsearchContainer(
 			DockerImageName.parse("docker.elastic.co/elasticsearch/elasticsearch:8.7.0")) //
 			.withPassword("foobar") //
 			.withReuse(true);
@@ -66,7 +66,8 @@ class ReactiveElasticsearchOperationsTest {
 			Assert.notNull(container, "TestContainer is not initialized!");
 
 			return ClientConfiguration.builder() //
-					.connectedTo(container.getHttpHostAddress()).usingSsl(container.createSslContextFromCa()) //
+					.connectedTo(container.getHttpHostAddress()) //
+					.usingSsl(container.createSslContextFromCa()) //
 					.withBasicAuth("elastic", "foobar") //
 					.build();
 		}
diff --git a/elasticsearch/reactive/src/test/java/example/springdata/elasticsearch/conference/ReactiveElasticsearchRepositoryTest.java b/elasticsearch/reactive/src/test/java/example/springdata/elasticsearch/conference/ReactiveElasticsearchRepositoryTest.java
index afa4a6fe..a48d338c 100644
--- a/elasticsearch/reactive/src/test/java/example/springdata/elasticsearch/conference/ReactiveElasticsearchRepositoryTest.java
+++ b/elasticsearch/reactive/src/test/java/example/springdata/elasticsearch/conference/ReactiveElasticsearchRepositoryTest.java
@@ -49,7 +49,7 @@ class ReactiveElasticsearchRepositoryTest {
 	private static final SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
 
 	@Container //
-	private static ElasticsearchContainer container = new ElasticsearchContainer(
+	private static final ElasticsearchContainer container = new ElasticsearchContainer(
 			DockerImageName.parse("docker.elastic.co/elasticsearch/elasticsearch:8.7.0")) //
 			.withPassword("foobar") //
 			.withReuse(true);
@@ -62,7 +62,8 @@ class ReactiveElasticsearchRepositoryTest {
 			Assert.notNull(container, "TestContainer is not initialized!");
 
 			return ClientConfiguration.builder() //
-					.connectedTo(container.getHttpHostAddress()).usingSsl(container.createSslContextFromCa()) //
+					.connectedTo(container.getHttpHostAddress()) //
+					.usingSsl(container.createSslContextFromCa()) //
 					.withBasicAuth("elastic", "foobar") //
 					.build();
 		}