diff --git a/spring-boot-rest/pom.xml b/spring-boot-rest/pom.xml
index a7ba67d92a..2bf7c0181f 100644
--- a/spring-boot-rest/pom.xml
+++ b/spring-boot-rest/pom.xml
@@ -83,6 +83,6 @@
         <start-class>com.baeldung.SpringBootRestApplication</start-class>
         <guava.version>27.0.1-jre</guava.version>
         <xstream.version>1.4.11.1</xstream.version>
-        <modelmapper.version>2.3.2</modelmapper.version>
+        <modelmapper.version>2.3.3</modelmapper.version>
     </properties>
 </project>
diff --git a/spring-boot-rest/src/main/java/com/baeldung/SpringBootRestApplication.java b/spring-boot-rest/src/main/java/com/baeldung/SpringBootRestApplication.java
index d0976d9ddd..1c0d0d19e8 100644
--- a/spring-boot-rest/src/main/java/com/baeldung/SpringBootRestApplication.java
+++ b/spring-boot-rest/src/main/java/com/baeldung/SpringBootRestApplication.java
@@ -1,13 +1,20 @@
 package com.baeldung;
 
+import org.modelmapper.ModelMapper;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
 
-@SpringBootApplication(scanBasePackages = {"com.baeldung.persistence", "com.baeldung.spring", "com.baeldung.web" })
+@SpringBootApplication
 public class SpringBootRestApplication {
 
     public static void main(String[] args) {
         SpringApplication.run(SpringBootRestApplication.class, args);
     }
+    
+    @Bean
+    public ModelMapper modelMapper() {
+        return new ModelMapper();
+    }
 
 }
diff --git a/spring-boot-rest/src/main/java/com/baeldung/modelmapper/PostApplication.java b/spring-boot-rest/src/main/java/com/baeldung/modelmapper/PostApplication.java
deleted file mode 100644
index 7684c43648..0000000000
--- a/spring-boot-rest/src/main/java/com/baeldung/modelmapper/PostApplication.java
+++ /dev/null
@@ -1,20 +0,0 @@
-package com.baeldung.modelmapper;
-
-import org.modelmapper.ModelMapper;
-import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.Bean;
-
-@SpringBootApplication
-public class PostApplication {
-    
-    public static void main(String[] args) {
-        SpringApplication.run(PostApplication.class, args);
-    }
-    
-    @Bean
-    public ModelMapper modelMapper() {
-        return new ModelMapper();
-    }
-
-}
diff --git a/spring-boot-rest/src/main/java/com/baeldung/spring/PersistenceConfig.java b/spring-boot-rest/src/main/java/com/baeldung/spring/PersistenceConfig.java
index 5179c66978..2e967751ad 100644
--- a/spring-boot-rest/src/main/java/com/baeldung/spring/PersistenceConfig.java
+++ b/spring-boot-rest/src/main/java/com/baeldung/spring/PersistenceConfig.java
@@ -24,8 +24,8 @@ import com.google.common.base.Preconditions;
 @Configuration
 @EnableTransactionManagement
 @PropertySource({ "classpath:persistence-${envTarget:h2}.properties" })
-@ComponentScan({ "com.baeldung.persistence" })
-@EnableJpaRepositories(basePackages = "com.baeldung.persistence.dao")
+@ComponentScan(basePackages = { "com.baeldung.persistence", "com.baeldung.modelmapper" })
+@EnableJpaRepositories(basePackages = {"com.baeldung.persistence.dao", "com.baeldung.modelmapper.repository"})
 public class PersistenceConfig {
 
     @Autowired
@@ -39,7 +39,7 @@ public class PersistenceConfig {
     public LocalContainerEntityManagerFactoryBean entityManagerFactory() {
         final LocalContainerEntityManagerFactoryBean em = new LocalContainerEntityManagerFactoryBean();
         em.setDataSource(dataSource());
-        em.setPackagesToScan(new String[] { "com.baeldung.persistence.model" });
+        em.setPackagesToScan(new String[] { "com.baeldung.persistence.model", "com.baeldung.modelmapper.model" });
 
         final HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
         // vendorAdapter.set