diff --git a/spring-boot-demo-logback/README.md b/spring-boot-demo-logback/README.md
index d5d0e6b..0853006 100644
--- a/spring-boot-demo-logback/README.md
+++ b/spring-boot-demo-logback/README.md
@@ -10,7 +10,6 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 
-	<groupId>com.xkcoding</groupId>
 	<artifactId>spring-boot-demo-logback</artifactId>
 	<version>0.0.1-SNAPSHOT</version>
 	<packaging>jar</packaging>
@@ -19,10 +18,9 @@
 	<description>Demo project for Spring Boot</description>
 
 	<parent>
-		<groupId>org.springframework.boot</groupId>
-		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.0.5.RELEASE</version>
-		<relativePath/> <!-- lookup parent from repository -->
+		<groupId>com.xkcoding</groupId>
+		<artifactId>spring-boot-demo</artifactId>
+		<version>0.0.1-SNAPSHOT</version>
 	</parent>
 
 	<properties>
@@ -46,6 +44,7 @@
 		<dependency>
 			<groupId>org.projectlombok</groupId>
 			<artifactId>lombok</artifactId>
+			<optional>true</optional>
 		</dependency>
 	</dependencies>
 
diff --git a/spring-boot-demo-logback/pom.xml b/spring-boot-demo-logback/pom.xml
index a4f9eb8..0e92707 100644
--- a/spring-boot-demo-logback/pom.xml
+++ b/spring-boot-demo-logback/pom.xml
@@ -3,7 +3,6 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 
-	<groupId>com.xkcoding</groupId>
 	<artifactId>spring-boot-demo-logback</artifactId>
 	<version>0.0.1-SNAPSHOT</version>
 	<packaging>jar</packaging>
@@ -12,10 +11,9 @@
 	<description>Demo project for Spring Boot</description>
 
 	<parent>
-		<groupId>org.springframework.boot</groupId>
-		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.0.5.RELEASE</version>
-		<relativePath/> <!-- lookup parent from repository -->
+		<groupId>com.xkcoding</groupId>
+		<artifactId>spring-boot-demo</artifactId>
+		<version>0.0.1-SNAPSHOT</version>
 	</parent>
 
 	<properties>
@@ -39,6 +37,7 @@
 		<dependency>
 			<groupId>org.projectlombok</groupId>
 			<artifactId>lombok</artifactId>
+			<optional>true</optional>
 		</dependency>
 	</dependencies>