diff --git a/extensions/kubernetes-client/deployment/src/main/java/io/quarkus/kubernetes/client/deployment/KubernetesClientProcessor.java b/extensions/kubernetes-client/deployment/src/main/java/io/quarkus/kubernetes/client/deployment/KubernetesClientProcessor.java
index 6c3ddb8b118c3..67411a4d7fe8a 100644
--- a/extensions/kubernetes-client/deployment/src/main/java/io/quarkus/kubernetes/client/deployment/KubernetesClientProcessor.java
+++ b/extensions/kubernetes-client/deployment/src/main/java/io/quarkus/kubernetes/client/deployment/KubernetesClientProcessor.java
@@ -26,6 +26,7 @@
 import io.fabric8.kubernetes.api.model.KubeSchema;
 import io.fabric8.kubernetes.api.model.KubernetesResource;
 import io.fabric8.kubernetes.api.model.KubernetesResourceList;
+import io.fabric8.kubernetes.api.model.ValidationSchema;
 import io.fabric8.kubernetes.client.Config;
 import io.fabric8.kubernetes.client.CustomResource;
 import io.fabric8.kubernetes.client.DefaultKubernetesClient;
@@ -67,6 +68,7 @@ public class KubernetesClientProcessor {
     private static final DotName RESOURCE_EVENT_HANDLER = DotName
             .createSimple(io.fabric8.kubernetes.client.informers.ResourceEventHandler.class.getName());
     private static final DotName KUBERNETES_RESOURCE = DotName.createSimple(KubernetesResource.class.getName());
+    private static final DotName VALIDATION_SCHEMA = DotName.createSimple(ValidationSchema.class.getName());
     private static final DotName KUBERNETES_RESOURCE_LIST = DotName
             .createSimple(KubernetesResourceList.class.getName());
     private static final DotName KUBE_SCHEMA = DotName.createSimple(KubeSchema.class.getName());
@@ -189,6 +191,7 @@ public void process(ApplicationIndexBuildItem applicationIndex, CombinedIndexBui
         ignoredJsonDeserializationClasses.produce(new IgnoreJsonDeserializeClassBuildItem(KUBE_SCHEMA));
         ignoredJsonDeserializationClasses.produce(new IgnoreJsonDeserializeClassBuildItem(KUBERNETES_RESOURCE_LIST));
         ignoredJsonDeserializationClasses.produce(new IgnoreJsonDeserializeClassBuildItem(KUBERNETES_RESOURCE));
+        ignoredJsonDeserializationClasses.produce(new IgnoreJsonDeserializeClassBuildItem(VALIDATION_SCHEMA));
 
         final String[] deserializerClasses = fullIndex
                 .getAllKnownSubclasses(DotName.createSimple("com.fasterxml.jackson.databind.JsonDeserializer"))