diff --git a/spring-boot-modules/spring-boot-mvc-4/pom.xml b/spring-boot-modules/spring-boot-mvc-4/pom.xml
index dbbb03ad0e..0ae05a764b 100644
--- a/spring-boot-modules/spring-boot-mvc-4/pom.xml
+++ b/spring-boot-modules/spring-boot-mvc-4/pom.xml
@@ -9,9 +9,10 @@
     <description>Module For Spring Boot MVC Web</description>
 
     <parent>
-        <groupId>com.baeldung.spring-boot-modules</groupId>
-        <artifactId>spring-boot-modules</artifactId>
-        <version>1.0.0-SNAPSHOT</version>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-boot-3</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-boot-3</relativePath>
     </parent>
 
     <dependencies>
diff --git a/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/boot/controller/servlet/HelloWorldServlet.java b/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/boot/controller/servlet/HelloWorldServlet.java
index 80c75aa8b5..cedc60bd92 100644
--- a/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/boot/controller/servlet/HelloWorldServlet.java
+++ b/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/boot/controller/servlet/HelloWorldServlet.java
@@ -4,10 +4,10 @@ import java.io.IOException;
 import java.io.PrintWriter;
 import java.util.Objects;
 
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.http.HttpServlet;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
 
 public class HelloWorldServlet extends HttpServlet {
     private static final long serialVersionUID = 1L;
diff --git a/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/boot/controller/servlet/SpringHelloWorldServlet.java b/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/boot/controller/servlet/SpringHelloWorldServlet.java
index f276f94b7c..dbb8ea1b32 100644
--- a/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/boot/controller/servlet/SpringHelloWorldServlet.java
+++ b/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/boot/controller/servlet/SpringHelloWorldServlet.java
@@ -4,10 +4,10 @@ import java.io.IOException;
 import java.io.PrintWriter;
 import java.util.Objects;
 
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.http.HttpServlet;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
 
 public class SpringHelloWorldServlet extends HttpServlet {
     private static final long serialVersionUID = 1L;
diff --git a/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/common/error/SpringHelloServletRegistrationBean.java b/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/common/error/SpringHelloServletRegistrationBean.java
index 3f51a4ab69..b2d6f249a5 100644
--- a/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/common/error/SpringHelloServletRegistrationBean.java
+++ b/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/common/error/SpringHelloServletRegistrationBean.java
@@ -2,7 +2,7 @@ package com.baeldung.common.error;
 
 import org.springframework.boot.web.servlet.ServletRegistrationBean;
 
-import javax.servlet.Servlet;
+import jakarta.servlet.Servlet;
 
 public class SpringHelloServletRegistrationBean extends ServletRegistrationBean {
 
diff --git a/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/servlets/configuration/WebAppInitializer.java b/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/servlets/configuration/WebAppInitializer.java
index eadd40355a..7fd83fd59a 100644
--- a/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/servlets/configuration/WebAppInitializer.java
+++ b/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/servlets/configuration/WebAppInitializer.java
@@ -4,9 +4,9 @@ import org.springframework.web.WebApplicationInitializer;
 import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
 import org.springframework.web.context.support.XmlWebApplicationContext;
 import org.springframework.web.servlet.DispatcherServlet;
-import javax.servlet.ServletContext;
-import javax.servlet.ServletException;
-import javax.servlet.ServletRegistration;
+import jakarta.servlet.ServletContext;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.ServletRegistration;
 
 public class WebAppInitializer implements WebApplicationInitializer {
 
diff --git a/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/servlets/servlets/GenericCustomServlet.java b/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/servlets/servlets/GenericCustomServlet.java
index 49dd9404b7..ee70a142be 100644
--- a/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/servlets/servlets/GenericCustomServlet.java
+++ b/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/servlets/servlets/GenericCustomServlet.java
@@ -1,9 +1,9 @@
 package com.baeldung.servlets.servlets;
 
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.http.HttpServlet;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
 import java.io.IOException;
 import java.io.PrintWriter;
 
diff --git a/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/servlets/servlets/javaee/AnnotationServlet.java b/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/servlets/servlets/javaee/AnnotationServlet.java
index 992976ca0e..62706be348 100644
--- a/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/servlets/servlets/javaee/AnnotationServlet.java
+++ b/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/servlets/servlets/javaee/AnnotationServlet.java
@@ -1,10 +1,10 @@
 package com.baeldung.servlets.servlets.javaee;
 
-import javax.servlet.ServletException;
-import javax.servlet.annotation.WebServlet;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.annotation.WebServlet;
+import jakarta.servlet.http.HttpServlet;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
 import java.io.IOException;
 
 @WebServlet(name = "AnnotationServlet", description = "Example Servlet Using Annotations", urlPatterns = { "/annotationservlet" })
diff --git a/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/servlets/servlets/javaee/EEWebXmlServlet.java b/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/servlets/servlets/javaee/EEWebXmlServlet.java
index c7b373064f..299a1b5d95 100644
--- a/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/servlets/servlets/javaee/EEWebXmlServlet.java
+++ b/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/servlets/servlets/javaee/EEWebXmlServlet.java
@@ -1,9 +1,9 @@
 package com.baeldung.servlets.servlets.javaee;
 
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.http.HttpServlet;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
 import java.io.IOException;
 import java.io.PrintWriter;
 
diff --git a/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/utils/UtilsApplication.java b/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/utils/UtilsApplication.java
index ce3eae7ce0..eab5869cd5 100644
--- a/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/utils/UtilsApplication.java
+++ b/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/utils/UtilsApplication.java
@@ -1,6 +1,6 @@
 package com.baeldung.utils;
 
-import javax.annotation.security.RolesAllowed;
+import jakarta.annotation.security.RolesAllowed;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
diff --git a/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/utils/controller/UtilsController.java b/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/utils/controller/UtilsController.java
index 8c7f2f932a..40acc1801f 100644
--- a/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/utils/controller/UtilsController.java
+++ b/spring-boot-modules/spring-boot-mvc-4/src/main/java/com/baeldung/utils/controller/UtilsController.java
@@ -1,6 +1,6 @@
 package com.baeldung.utils.controller;
 
-import javax.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletRequest;
 
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
diff --git a/spring-boot-modules/spring-boot-mvc-4/src/test/java/com/baeldung/utils/UtilsControllerIntegrationTest.java b/spring-boot-modules/spring-boot-mvc-4/src/test/java/com/baeldung/utils/UtilsControllerIntegrationTest.java
index 080f660c40..f59d00f871 100644
--- a/spring-boot-modules/spring-boot-mvc-4/src/test/java/com/baeldung/utils/UtilsControllerIntegrationTest.java
+++ b/spring-boot-modules/spring-boot-mvc-4/src/test/java/com/baeldung/utils/UtilsControllerIntegrationTest.java
@@ -1,32 +1,34 @@
 package com.baeldung.utils;
 
 import com.baeldung.utils.controller.UtilsController;
-import org.junit.Before;
-import org.junit.Test;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.mockito.InjectMocks;
-import org.mockito.MockitoAnnotations;
+
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 
+import static org.mockito.MockitoAnnotations.openMocks;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
 
-public class UtilsControllerIntegrationTest {
+class UtilsControllerIntegrationTest {
 
     @InjectMocks
     private UtilsController utilsController;
 
     private MockMvc mockMvc;
 
-    @Before
+    @BeforeEach
     public void setup() {
-        MockitoAnnotations.initMocks(this);
+        openMocks(this);
         this.mockMvc = MockMvcBuilders.standaloneSetup(utilsController).build();
 
     }
 
     @Test
-    public void givenParameter_setRequestParam_andSetSessionAttribute() throws Exception {
+    void givenParameter_setRequestParam_andSetSessionAttribute() throws Exception {
         String param = "testparam";
         this.mockMvc.perform(post("/setParam").param("param", param).sessionAttr("parameter", param)).andExpect(status().isOk());
     }