diff --git a/spring-boot/hazelcast/hazelcast-embedded-cache/src/main/java/io/refectoring/cache/embedded/CacheClient.java b/spring-boot/hazelcast/hazelcast-embedded-cache/src/main/java/io/refectoring/cache/embedded/CacheClient.java
index 5338c7a..d8ecc49 100644
--- a/spring-boot/hazelcast/hazelcast-embedded-cache/src/main/java/io/refectoring/cache/embedded/CacheClient.java
+++ b/spring-boot/hazelcast/hazelcast-embedded-cache/src/main/java/io/refectoring/cache/embedded/CacheClient.java
@@ -2,10 +2,12 @@ package io.refectoring.cache.embedded;
 
 import com.hazelcast.config.Config;
 import com.hazelcast.config.MapConfig;
+import com.hazelcast.config.SerializerConfig;
 import com.hazelcast.core.Hazelcast;
 import com.hazelcast.core.HazelcastInstance;
 import com.hazelcast.map.IMap;
 import io.refectoring.cache.embedded.rest.Car;
+import io.refectoring.cache.embedded.serializer.CarSerializer;
 import org.springframework.stereotype.Component;
 
 @Component
@@ -27,9 +29,16 @@ public class CacheClient {
     public Config createConfig() {
         Config config = new Config();
         config.addMapConfig(mapConfig());
+        config.getSerializationConfig().addSerializerConfig(serializerConfig());
         return config;
     }
 
+    private SerializerConfig serializerConfig() {
+        return  new SerializerConfig()
+                .setImplementation(new CarSerializer())
+                .setTypeClass(Car.class);
+    }
+
     private MapConfig mapConfig() {
         MapConfig mapConfig = new MapConfig(CARS);
         mapConfig.setTimeToLiveSeconds(360);
diff --git a/spring-boot/hazelcast/hazelcast-embedded-cache/src/main/java/io/refectoring/cache/embedded/rest/Car.java b/spring-boot/hazelcast/hazelcast-embedded-cache/src/main/java/io/refectoring/cache/embedded/rest/Car.java
index be0500a..19674c2 100644
--- a/spring-boot/hazelcast/hazelcast-embedded-cache/src/main/java/io/refectoring/cache/embedded/rest/Car.java
+++ b/spring-boot/hazelcast/hazelcast-embedded-cache/src/main/java/io/refectoring/cache/embedded/rest/Car.java
@@ -5,13 +5,11 @@ import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
-import java.io.Serializable;
-
 @Data
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
-public class Car implements Serializable {
+public class Car {
     private String number;
     private String name;
 }
diff --git a/spring-boot/hazelcast/hazelcast-embedded-cache/src/main/java/io/refectoring/cache/embedded/serializer/CarSerializer.java b/spring-boot/hazelcast/hazelcast-embedded-cache/src/main/java/io/refectoring/cache/embedded/serializer/CarSerializer.java
new file mode 100644
index 0000000..e98c150
--- /dev/null
+++ b/spring-boot/hazelcast/hazelcast-embedded-cache/src/main/java/io/refectoring/cache/embedded/serializer/CarSerializer.java
@@ -0,0 +1,30 @@
+package io.refectoring.cache.embedded.serializer;
+
+import com.hazelcast.nio.ObjectDataInput;
+import com.hazelcast.nio.ObjectDataOutput;
+import com.hazelcast.nio.serialization.StreamSerializer;
+import io.refectoring.cache.embedded.rest.Car;
+
+import java.io.IOException;
+
+public class CarSerializer implements StreamSerializer<Car> {
+
+    @Override
+    public void write(ObjectDataOutput out, Car object) throws IOException {
+       out.writeUTF(object.getName());
+       out.writeUTF(object.getNumber());
+    }
+
+    @Override
+    public Car read(ObjectDataInput in) throws IOException {
+        return Car.builder()
+                .name(in.readUTF())
+                .number(in.readUTF())
+                .build();
+    }
+
+    @Override
+    public int getTypeId() {
+        return 1;
+    }
+}