diff --git a/docker/heap-sizing/pom.xml b/docker/heap-sizing/pom.xml
index a86a67fdcd..2cc354f6cf 100644
--- a/docker/heap-sizing/pom.xml
+++ b/docker/heap-sizing/pom.xml
@@ -1,21 +1,21 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <parent>
-        <groupId>org.springframework.boot</groupId>
-        <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.4.2</version>
-        <relativePath/> <!-- lookup parent from repository -->
-    </parent>
     <groupId>com.baeldung.docker</groupId>
     <artifactId>heap-sizing</artifactId>
     <version>0.0.1-SNAPSHOT</version>
     <name>heap-sizing</name>
     <description>Demo project for Spring Boot</description>
-    <properties>
-        <java.version>11</java.version>
-    </properties>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-boot-2</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-boot-2</relativePath>
+    </parent>
+
     <dependencies>
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -58,4 +58,8 @@
         </plugins>
     </build>
 
+    <properties>
+        <java.version>11</java.version>
+    </properties>
+
 </project>
diff --git a/spring-boot-modules/spring-boot-actuator/pom.xml b/spring-boot-modules/spring-boot-actuator/pom.xml
index 1865974ab0..eaeb3b4ac7 100644
--- a/spring-boot-modules/spring-boot-actuator/pom.xml
+++ b/spring-boot-modules/spring-boot-actuator/pom.xml
@@ -9,10 +9,9 @@
     <version>0.0.1-SNAPSHOT</version>
 
     <parent>
-        <groupId>org.springframework.boot</groupId>
-        <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.3.2.RELEASE</version>
-        <relativePath /> <!-- lookup parent from repository -->
+        <groupId>com.baeldung.spring-boot-modules</groupId>
+        <artifactId>spring-boot-modules</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
     </parent>
 
     <dependencies>
diff --git a/spring-boot-modules/spring-boot-mvc-jersey/spring-boot-jersey/pom.xml b/spring-boot-modules/spring-boot-mvc-jersey/spring-boot-jersey/pom.xml
index e0b261510c..a16c8b0a83 100644
--- a/spring-boot-modules/spring-boot-mvc-jersey/spring-boot-jersey/pom.xml
+++ b/spring-boot-modules/spring-boot-mvc-jersey/spring-boot-jersey/pom.xml
@@ -8,10 +8,9 @@
     <version>0.0.1-SNAPSHOT</version>
 
     <parent>
-        <groupId>org.springframework.boot</groupId>
-        <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.4.2</version>
-        <relativePath /> <!-- lookup parent from repository -->
+        <groupId>com.baeldung.spring-boot-modules</groupId>
+        <artifactId>spring-boot-mvc-jersey</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
     </parent>
 
     <dependencies>
diff --git a/spring-boot-modules/spring-boot-mvc-jersey/spring-boot-jersey/src/test/java/com/baeldung/boot/jersey/JerseyApplicationIntegrationTests.java b/spring-boot-modules/spring-boot-mvc-jersey/spring-boot-jersey/src/test/java/com/baeldung/boot/jersey/JerseyApplicationIntegrationTest.java
similarity index 82%
rename from spring-boot-modules/spring-boot-mvc-jersey/spring-boot-jersey/src/test/java/com/baeldung/boot/jersey/JerseyApplicationIntegrationTests.java
rename to spring-boot-modules/spring-boot-mvc-jersey/spring-boot-jersey/src/test/java/com/baeldung/boot/jersey/JerseyApplicationIntegrationTest.java
index 9bd6bbf029..d9018efc4a 100644
--- a/spring-boot-modules/spring-boot-mvc-jersey/spring-boot-jersey/src/test/java/com/baeldung/boot/jersey/JerseyApplicationIntegrationTests.java
+++ b/spring-boot-modules/spring-boot-mvc-jersey/spring-boot-jersey/src/test/java/com/baeldung/boot/jersey/JerseyApplicationIntegrationTest.java
@@ -4,7 +4,7 @@ import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
 
 @SpringBootTest
-class JerseyApplicationIntegrationTests {
+class JerseyApplicationIntegrationTest {
 
     @Test
     void contextLoads() {
diff --git a/spring-boot-modules/spring-boot-mvc-jersey/spring-boot-mvc/pom.xml b/spring-boot-modules/spring-boot-mvc-jersey/spring-boot-mvc/pom.xml
index 77c8027974..8521ab25ac 100644
--- a/spring-boot-modules/spring-boot-mvc-jersey/spring-boot-mvc/pom.xml
+++ b/spring-boot-modules/spring-boot-mvc-jersey/spring-boot-mvc/pom.xml
@@ -8,10 +8,9 @@
     <version>0.0.1-SNAPSHOT</version>
 
     <parent>
-        <groupId>org.springframework.boot</groupId>
-        <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.4.2</version>
-        <relativePath /> <!-- lookup parent from repository -->
+        <groupId>com.baeldung.spring-boot-modules</groupId>
+        <artifactId>spring-boot-mvc-jersey</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
     </parent>
 
     <dependencies>
diff --git a/spring-boot-modules/spring-boot-mvc-jersey/spring-boot-mvc/src/test/java/com/baeldung/boot/mvc/MvcApplicationIntegrationTests.java b/spring-boot-modules/spring-boot-mvc-jersey/spring-boot-mvc/src/test/java/com/baeldung/boot/mvc/MvcApplicationIntegrationTest.java
similarity index 83%
rename from spring-boot-modules/spring-boot-mvc-jersey/spring-boot-mvc/src/test/java/com/baeldung/boot/mvc/MvcApplicationIntegrationTests.java
rename to spring-boot-modules/spring-boot-mvc-jersey/spring-boot-mvc/src/test/java/com/baeldung/boot/mvc/MvcApplicationIntegrationTest.java
index d05cb97e47..14b0915fa7 100644
--- a/spring-boot-modules/spring-boot-mvc-jersey/spring-boot-mvc/src/test/java/com/baeldung/boot/mvc/MvcApplicationIntegrationTests.java
+++ b/spring-boot-modules/spring-boot-mvc-jersey/spring-boot-mvc/src/test/java/com/baeldung/boot/mvc/MvcApplicationIntegrationTest.java
@@ -4,7 +4,7 @@ import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
 
 @SpringBootTest
-class MvcApplicationIntegrationTests {
+class MvcApplicationIntegrationTest {
 
     @Test
     void contextLoads() {