diff --git a/build.gradle b/build.gradle
index 743ce03..9c8aa05 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,7 +8,7 @@ plugins {
 
 subprojects { subproject ->
 
-  version = "3.0.23"
+  version = "3.0.24"
 
   apply plugin: 'com.github.ben-manes.versions'
 
diff --git a/gradle-plugin/src/main/groovy/ch/silviowangler/gradle/restapi/RestApiPlugin.groovy b/gradle-plugin/src/main/groovy/ch/silviowangler/gradle/restapi/RestApiPlugin.groovy
index 3508e47..109da31 100644
--- a/gradle-plugin/src/main/groovy/ch/silviowangler/gradle/restapi/RestApiPlugin.groovy
+++ b/gradle-plugin/src/main/groovy/ch/silviowangler/gradle/restapi/RestApiPlugin.groovy
@@ -105,7 +105,7 @@ class RestApiPlugin implements Plugin<Project> {
 
 		project.configurations.maybeCreate(CONFIGURATION_REST_API)
 
-		final String pluginVersion = "3.0.23"
+		final String pluginVersion = "3.0.24"
 		final String libPhoneNumberVersion = "8.11.5"
 
 		final List<String> deps = [
diff --git a/gradle/micronaut.gradle b/gradle/micronaut.gradle
index e1f60b6..0170ff5 100644
--- a/gradle/micronaut.gradle
+++ b/gradle/micronaut.gradle
@@ -12,6 +12,7 @@ micronaut {
 
 dependencies {
   annotationProcessor("io.micronaut.serde:micronaut-serde-processor")
+  testAnnotationProcessor("io.micronaut.serde:micronaut-serde-processor")
   implementation("io.micronaut.serde:micronaut-serde-jackson")
   runtimeOnly("ch.qos.logback:logback-classic")
   testImplementation("io.micronaut:micronaut-http-client")
diff --git a/rest-model/src/main/java/ch/silviowangler/rest/model/Expand.java b/rest-model/src/main/java/ch/silviowangler/rest/model/Expand.java
index e3341c7..27196c4 100644
--- a/rest-model/src/main/java/ch/silviowangler/rest/model/Expand.java
+++ b/rest-model/src/main/java/ch/silviowangler/rest/model/Expand.java
@@ -24,7 +24,6 @@
 package ch.silviowangler.rest.model;
 
 import io.micronaut.serde.annotation.Serdeable;
-import java.util.Collection;
 import java.util.List;
 
 /**
@@ -37,7 +36,7 @@
 public class Expand {
 
   private String name;
-  private List<ResourceModel> data;
+  private List<? extends ResourceModel> data;
 
   public Expand() {}
 
@@ -45,7 +44,7 @@ public Expand(String name) {
     this.name = name;
   }
 
-  public Expand(String name, List<ResourceModel> data) {
+  public Expand(String name, List<? extends ResourceModel> data) {
     this.name = name;
     this.data = data;
   }
@@ -58,11 +57,11 @@ public void setName(String name) {
     this.name = name;
   }
 
-  public Collection<ResourceModel> getData() {
+  public List<? extends ResourceModel> getData() {
     return data;
   }
 
-  public void setData(List<ResourceModel> data) {
+  public void setData(List<? extends ResourceModel> data) {
     this.data = data;
   }
 }
diff --git a/rest-model/src/main/java/ch/silviowangler/rest/model/ResourceModel.java b/rest-model/src/main/java/ch/silviowangler/rest/model/ResourceModel.java
index a75a8a0..685fc46 100644
--- a/rest-model/src/main/java/ch/silviowangler/rest/model/ResourceModel.java
+++ b/rest-model/src/main/java/ch/silviowangler/rest/model/ResourceModel.java
@@ -23,6 +23,8 @@
  */
 package ch.silviowangler.rest.model;
 
+import static com.fasterxml.jackson.annotation.JsonTypeInfo.Id.CLASS;
+
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
 
 /**
@@ -30,5 +32,5 @@
  *
  * @author Silvio Wangler
  */
-@JsonTypeInfo(use = JsonTypeInfo.Id.CLASS)
+@JsonTypeInfo(use = CLASS)
 public interface ResourceModel {}
diff --git a/rest-model/src/main/java/ch/silviowangler/rest/serdes/ResourceModelDeserializer.java b/rest-model/src/main/java/ch/silviowangler/rest/serdes/ResourceModelDeserializer.java
new file mode 100644
index 0000000..efda546
--- /dev/null
+++ b/rest-model/src/main/java/ch/silviowangler/rest/serdes/ResourceModelDeserializer.java
@@ -0,0 +1,77 @@
+/*
+ * MIT License
+ * <p>
+ * Copyright (c) 2016 - 2023 Silvio Wangler (silvio.wangler@gmail.com)
+ * <p>
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * <p>
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ * <p>
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package ch.silviowangler.rest.serdes;
+
+import ch.silviowangler.rest.model.ResourceModel;
+import com.fasterxml.jackson.annotation.JsonTypeInfo;
+import io.micronaut.context.annotation.Secondary;
+import io.micronaut.core.annotation.NonNull;
+import io.micronaut.core.annotation.Nullable;
+import io.micronaut.core.beans.BeanIntrospection;
+import io.micronaut.core.type.Argument;
+import io.micronaut.json.tree.JsonNode;
+import io.micronaut.serde.Decoder;
+import io.micronaut.serde.Deserializer;
+import jakarta.inject.Singleton;
+import java.io.IOException;
+
+@Singleton
+@Secondary
+public class ResourceModelDeserializer implements Deserializer<ResourceModel> {
+  @Override
+  public @Nullable ResourceModel deserialize(
+      @NonNull Decoder decoder,
+      @NonNull DecoderContext context,
+      @NonNull Argument<? super ResourceModel> type)
+      throws IOException {
+
+    JsonNode jsonNode = decoder.decodeNode();
+    JsonNode classValue = jsonNode.get(JsonTypeInfo.Id.CLASS.getDefaultPropertyName());
+
+    try {
+      Class<ResourceModel> clazz =
+          (Class<ResourceModel>) Class.forName(classValue.getStringValue());
+      BeanIntrospection<ResourceModel> introspection = BeanIntrospection.getIntrospection(clazz);
+
+      ResourceModel resourceModel = introspection.instantiate();
+      introspection
+          .getBeanProperties()
+          .forEach(
+              beanProperty ->
+                  beanProperty.set(
+                      resourceModel,
+                      context
+                          .getConversionService()
+                          .convert(
+                              jsonNode.get(beanProperty.getName()).getValue(),
+                              beanProperty.getType())
+                          .orElseThrow()));
+
+      return resourceModel;
+
+    } catch (ClassNotFoundException e) {
+      throw new RuntimeException(e);
+    }
+  }
+}
diff --git a/rest-model/src/test/groovy/ch/silviowangler/rest/validation/ExpandSerdeSpec.groovy b/rest-model/src/test/groovy/ch/silviowangler/rest/validation/ExpandSerdeSpec.groovy
new file mode 100644
index 0000000..aa90d6d
--- /dev/null
+++ b/rest-model/src/test/groovy/ch/silviowangler/rest/validation/ExpandSerdeSpec.groovy
@@ -0,0 +1,50 @@
+package ch.silviowangler.rest.validation
+
+import ch.silviowangler.rest.model.Expand
+import io.micronaut.serde.ObjectMapper
+import io.micronaut.test.extensions.spock.annotation.MicronautTest
+import jakarta.inject.Inject
+import spock.lang.Shared
+import spock.lang.Specification
+
+import java.time.LocalDate
+
+@MicronautTest
+class ExpandSerdeSpec extends Specification {
+
+  @Inject
+  ObjectMapper objectMapper
+
+  @Shared
+  final Expand expand = new Expand("aaa", [new ActivitiesGetResourceModel(id: 'hh', key: 'hhh', number: 12, dob: LocalDate.of(1978, 11, 1))])
+
+  void "Serialize Expand"() {
+
+    expect:
+    objectMapper.writeValueAsString(expand) == '{"name":"aaa","data":[{"@class":"ch.silviowangler.rest.validation.ActivitiesGetResourceModel","key":"hhh","id":"hh","number":12,"dob":"1978-11-01"}]}'
+  }
+
+
+  void "Deserialize Expand"() {
+
+    given:
+    final String json = objectMapper.writeValueAsString(expand)
+
+    when:
+    Expand result = objectMapper.readValue(json, Expand)
+
+    then:
+    result.name == expand.name
+
+    and:
+    result.data.size() == 1
+
+    and:
+    with(result.data.first()) { ActivitiesGetResourceModel res ->
+      res.id == 'hh'
+      res.key == 'hhh'
+      res.number == 12
+      res.dob == LocalDate.of(1978, 11, 1)
+    }
+  }
+}
diff --git a/rest-model/src/test/java/ch/silviowangler/rest/validation/ActivitiesGetResourceModel.java b/rest-model/src/test/java/ch/silviowangler/rest/validation/ActivitiesGetResourceModel.java
new file mode 100644
index 0000000..051e0ee
--- /dev/null
+++ b/rest-model/src/test/java/ch/silviowangler/rest/validation/ActivitiesGetResourceModel.java
@@ -0,0 +1,68 @@
+/*
+ * MIT License
+ * <p>
+ * Copyright (c) 2016 - 2023 Silvio Wangler (silvio.wangler@gmail.com)
+ * <p>
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * <p>
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ * <p>
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package ch.silviowangler.rest.validation;
+
+import ch.silviowangler.rest.model.ResourceModel;
+import io.micronaut.serde.annotation.Serdeable;
+import java.time.LocalDate;
+
+@Serdeable
+public class ActivitiesGetResourceModel implements ResourceModel {
+  private String key;
+  private String id;
+  private Integer number;
+  private LocalDate dob;
+
+  public String getKey() {
+    return key;
+  }
+
+  public void setKey(String key) {
+    this.key = key;
+  }
+
+  public String getId() {
+    return id;
+  }
+
+  public void setId(String id) {
+    this.id = id;
+  }
+
+  public Integer getNumber() {
+    return number;
+  }
+
+  public void setNumber(Integer number) {
+    this.number = number;
+  }
+
+  public LocalDate getDob() {
+    return dob;
+  }
+
+  public void setDob(LocalDate dob) {
+    this.dob = dob;
+  }
+}