diff --git a/resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/submit/KubernetesClientUtils.scala b/resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/submit/KubernetesClientUtils.scala
index 005a6beff54f5..9e735edf2df17 100644
--- a/resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/submit/KubernetesClientUtils.scala
+++ b/resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/submit/KubernetesClientUtils.scala
@@ -26,7 +26,7 @@ import scala.collection.mutable
 import scala.io.{Codec, Source}
 import scala.jdk.CollectionConverters._
 
-import io.fabric8.kubernetes.api.model.{ConfigMap, ConfigMapBuilder, KeyToPath}
+import io.fabric8.kubernetes.api.model.{ConfigMap, ConfigMapBuilder, KeyToPath, KeyToPathBuilder}
 
 import org.apache.spark.SparkConf
 import org.apache.spark.annotation.{DeveloperApi, Since, Stable}
@@ -113,7 +113,11 @@ object KubernetesClientUtils extends Logging {
     confFilesMap.map {
       case (fileName: String, _: String) =>
         val filePermissionMode = 420  // 420 is decimal for octal literal 0644.
-        new KeyToPath(fileName, filePermissionMode, fileName)
+        new KeyToPathBuilder()
+          .withKey(fileName)
+          .withMode(filePermissionMode)
+          .withPath(fileName)
+          .build()
     }.toList.sortBy(x => x.getKey) // List is sorted to make mocking based tests work
   }
 
diff --git a/resource-managers/kubernetes/core/src/test/scala/org/apache/spark/deploy/k8s/submit/ClientSuite.scala b/resource-managers/kubernetes/core/src/test/scala/org/apache/spark/deploy/k8s/submit/ClientSuite.scala
index c98654d6c02aa..5e1aba066d80a 100644
--- a/resource-managers/kubernetes/core/src/test/scala/org/apache/spark/deploy/k8s/submit/ClientSuite.scala
+++ b/resource-managers/kubernetes/core/src/test/scala/org/apache/spark/deploy/k8s/submit/ClientSuite.scala
@@ -90,8 +90,10 @@ class ClientSuite extends SparkFunSuite with BeforeAndAfter {
       .endVolumeMount()
     .build()
 
-  private val KEY_TO_PATH =
-    new KeyToPath(SPARK_CONF_FILE_NAME, 420, SPARK_CONF_FILE_NAME)
+  private def keyToPath(key: String): KeyToPath =
+    new KeyToPathBuilder().withKey(key).withMode(420).withPath(key).build()
+
+  private val KEY_TO_PATH = keyToPath(SPARK_CONF_FILE_NAME)
 
   private def fullExpectedPod(keyToPaths: List[KeyToPath] = List(KEY_TO_PATH)) =
     new PodBuilder(BUILT_DRIVER_POD)
@@ -306,7 +308,7 @@ class ClientSuite extends SparkFunSuite with BeforeAndAfter {
 
     val (sparkConf: SparkConf, expectedConfFiles: Seq[String]) = testSetup
 
-    val expectedKeyToPaths = (expectedConfFiles.map(x => new KeyToPath(x, 420, x)).toList ++
+    val expectedKeyToPaths = (expectedConfFiles.map(keyToPath).toList ++
       List(KEY_TO_PATH)).sortBy(x => x.getKey)
 
     when(podsWithNamespace.resource(fullExpectedPod(expectedKeyToPaths)))