diff --git a/pom.xml b/pom.xml
index bcc55dc646..a3a969c3db 100644
--- a/pom.xml
+++ b/pom.xml
@@ -43,7 +43,7 @@
         <sonar.host.url>https://sonarcloud.io</sonar.host.url>
 
         <junit.version>5.9.1</junit.version>
-        <fabric8-client.version>6.3.1</fabric8-client.version>
+        <fabric8-client.version>6.4.1</fabric8-client.version>
         <slf4j.version>1.7.36</slf4j.version>
         <log4j.version>2.19.0</log4j.version>
         <mokito.version>5.1.0</mokito.version>
diff --git a/sample-operators/leader-election/src/test/java/io/javaoperatorsdk/operator/sample/LeaderElectionE2E.java b/sample-operators/leader-election/src/test/java/io/javaoperatorsdk/operator/sample/LeaderElectionE2E.java
index 5512f54fc1..7932472aab 100644
--- a/sample-operators/leader-election/src/test/java/io/javaoperatorsdk/operator/sample/LeaderElectionE2E.java
+++ b/sample-operators/leader-election/src/test/java/io/javaoperatorsdk/operator/sample/LeaderElectionE2E.java
@@ -165,7 +165,7 @@ void applyCRD() {
 
   void applyResources(String path) {
     try {
-      List<HasMetadata> resources = client.load(new FileInputStream(path)).get();
+      List<HasMetadata> resources = client.load(new FileInputStream(path)).items();
       resources.forEach(hm -> {
         hm.getMetadata().setNamespace(namespace);
         if (hm.getKind().toLowerCase(Locale.ROOT).equals("clusterrolebinding")) {
diff --git a/sample-operators/mysql-schema/src/test/java/io/javaoperatorsdk/operator/sample/MySQLSchemaOperatorE2E.java b/sample-operators/mysql-schema/src/test/java/io/javaoperatorsdk/operator/sample/MySQLSchemaOperatorE2E.java
index e6aa796656..d65ab98647 100644
--- a/sample-operators/mysql-schema/src/test/java/io/javaoperatorsdk/operator/sample/MySQLSchemaOperatorE2E.java
+++ b/sample-operators/mysql-schema/src/test/java/io/javaoperatorsdk/operator/sample/MySQLSchemaOperatorE2E.java
@@ -43,8 +43,8 @@ class MySQLSchemaOperatorE2E {
     infrastructure.add(
         new NamespaceBuilder().withNewMetadata().withName(MY_SQL_NS).endMetadata().build());
     try {
-      infrastructure.addAll(client.load(new FileInputStream("k8s/mysql-deployment.yaml")).get());
-      infrastructure.addAll(client.load(new FileInputStream("k8s/mysql-service.yaml")).get());
+      infrastructure.addAll(client.load(new FileInputStream("k8s/mysql-deployment.yaml")).items());
+      infrastructure.addAll(client.load(new FileInputStream("k8s/mysql-service.yaml")).items());
     } catch (FileNotFoundException e) {
       e.printStackTrace();
     }
@@ -67,7 +67,7 @@ boolean isLocal() {
               .withPortForward(MY_SQL_NS, "app", "mysql", 3306, SchemaDependentResource.LOCAL_PORT)
               .build()
           : ClusterDeployedOperatorExtension.builder()
-              .withOperatorDeployment(client.load(new FileInputStream("k8s/operator.yaml")).get())
+              .withOperatorDeployment(client.load(new FileInputStream("k8s/operator.yaml")).items())
               .withInfrastructure(infrastructure)
               .build();
 
diff --git a/sample-operators/tomcat-operator/src/test/java/io/javaoperatorsdk/operator/sample/TomcatOperatorE2E.java b/sample-operators/tomcat-operator/src/test/java/io/javaoperatorsdk/operator/sample/TomcatOperatorE2E.java
index 377d6c540f..929af47e5d 100644
--- a/sample-operators/tomcat-operator/src/test/java/io/javaoperatorsdk/operator/sample/TomcatOperatorE2E.java
+++ b/sample-operators/tomcat-operator/src/test/java/io/javaoperatorsdk/operator/sample/TomcatOperatorE2E.java
@@ -50,7 +50,7 @@ boolean isLocal() {
       : ClusterDeployedOperatorExtension.builder()
           .waitForNamespaceDeletion(false)
           .withOperatorDeployment(
-              client.load(new FileInputStream("k8s/operator.yaml")).get())
+              client.load(new FileInputStream("k8s/operator.yaml")).items())
           .build();
 
   Tomcat getTomcat() {
diff --git a/sample-operators/webpage/src/test/java/io/javaoperatorsdk/operator/sample/WebPageOperatorE2E.java b/sample-operators/webpage/src/test/java/io/javaoperatorsdk/operator/sample/WebPageOperatorE2E.java
index 81746769c1..03c3d2c2e0 100644
--- a/sample-operators/webpage/src/test/java/io/javaoperatorsdk/operator/sample/WebPageOperatorE2E.java
+++ b/sample-operators/webpage/src/test/java/io/javaoperatorsdk/operator/sample/WebPageOperatorE2E.java
@@ -31,7 +31,7 @@ public WebPageOperatorE2E() throws FileNotFoundException {}
               .build()
           : ClusterDeployedOperatorExtension.builder()
               .waitForNamespaceDeletion(false)
-              .withOperatorDeployment(client.load(new FileInputStream("k8s/operator.yaml")).get(),
+              .withOperatorDeployment(client.load(new FileInputStream("k8s/operator.yaml")).items(),
                   resources -> {
                     Deployment deployment = (Deployment) resources.stream()
                         .filter(r -> r instanceof Deployment).findFirst().orElseThrow();
diff --git a/sample-operators/webpage/src/test/java/io/javaoperatorsdk/operator/sample/WebPageOperatorManagedDependentResourcesE2E.java b/sample-operators/webpage/src/test/java/io/javaoperatorsdk/operator/sample/WebPageOperatorManagedDependentResourcesE2E.java
index 3fbf877d64..92b0ce0a41 100644
--- a/sample-operators/webpage/src/test/java/io/javaoperatorsdk/operator/sample/WebPageOperatorManagedDependentResourcesE2E.java
+++ b/sample-operators/webpage/src/test/java/io/javaoperatorsdk/operator/sample/WebPageOperatorManagedDependentResourcesE2E.java
@@ -29,7 +29,7 @@ public WebPageOperatorManagedDependentResourcesE2E() throws FileNotFoundExceptio
               .build()
           : ClusterDeployedOperatorExtension.builder()
               .waitForNamespaceDeletion(false)
-              .withOperatorDeployment(client.load(new FileInputStream("k8s/operator.yaml")).get(),
+              .withOperatorDeployment(client.load(new FileInputStream("k8s/operator.yaml")).items(),
                   resources -> {
                     Deployment deployment = (Deployment) resources.stream()
                         .filter(r -> r instanceof Deployment).findFirst().orElseThrow();
diff --git a/sample-operators/webpage/src/test/java/io/javaoperatorsdk/operator/sample/WebPageOperatorStandaloneDependentResourcesE2E.java b/sample-operators/webpage/src/test/java/io/javaoperatorsdk/operator/sample/WebPageOperatorStandaloneDependentResourcesE2E.java
index 1b7a08d71b..e1e9e65f96 100644
--- a/sample-operators/webpage/src/test/java/io/javaoperatorsdk/operator/sample/WebPageOperatorStandaloneDependentResourcesE2E.java
+++ b/sample-operators/webpage/src/test/java/io/javaoperatorsdk/operator/sample/WebPageOperatorStandaloneDependentResourcesE2E.java
@@ -22,7 +22,7 @@ public WebPageOperatorStandaloneDependentResourcesE2E() throws FileNotFoundExcep
               .build()
           : ClusterDeployedOperatorExtension.builder()
               .waitForNamespaceDeletion(false)
-              .withOperatorDeployment(client.load(new FileInputStream("k8s/operator.yaml")).get())
+              .withOperatorDeployment(client.load(new FileInputStream("k8s/operator.yaml")).items())
               .build();
 
   @Override