diff --git a/spring-5-reactive-client/pom.xml b/spring-5-reactive-client/pom.xml
index 1f2c961cf0..6e39743ed0 100644
--- a/spring-5-reactive-client/pom.xml
+++ b/spring-5-reactive-client/pom.xml
@@ -10,9 +10,9 @@
 
     <parent>
         <groupId>com.baeldung</groupId>
-        <artifactId>parent-boot-2.0-temp</artifactId>
+        <artifactId>parent-boot-2</artifactId>
         <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../parent-boot-2.0-temp</relativePath>
+        <relativePath>../parent-boot-2</relativePath>
     </parent>
 
     <dependencies>
diff --git a/spring-5-reactive-security/pom.xml b/spring-5-reactive-security/pom.xml
index 93700b4262..3b64b9b3ac 100644
--- a/spring-5-reactive-security/pom.xml
+++ b/spring-5-reactive-security/pom.xml
@@ -12,9 +12,9 @@
 
     <parent>
         <groupId>com.baeldung</groupId>
-        <artifactId>parent-boot-2.0-temp</artifactId>
+        <artifactId>parent-boot-2</artifactId>
         <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../parent-boot-2.0-temp</relativePath>
+        <relativePath>../parent-boot-2</relativePath>
     </parent>
 
     <dependencies>
diff --git a/spring-5-reactive-security/src/main/java/com/baeldung/reactive/actuator/Spring5ReactiveApplication.java b/spring-5-reactive-security/src/main/java/com/baeldung/reactive/actuator/Spring5ReactiveApplication.java
index f07ddfb0f7..03943d436d 100644
--- a/spring-5-reactive-security/src/main/java/com/baeldung/reactive/actuator/Spring5ReactiveApplication.java
+++ b/spring-5-reactive-security/src/main/java/com/baeldung/reactive/actuator/Spring5ReactiveApplication.java
@@ -1,9 +1,7 @@
 package com.baeldung.reactive.actuator;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.Bean;
 
 @SpringBootApplication
 public class Spring5ReactiveApplication{
diff --git a/spring-5-reactive-security/src/main/java/com/baeldung/reactive/security/SpringSecurity5Application.java b/spring-5-reactive-security/src/main/java/com/baeldung/reactive/security/SpringSecurity5Application.java
index f2963c4fa5..325923f577 100644
--- a/spring-5-reactive-security/src/main/java/com/baeldung/reactive/security/SpringSecurity5Application.java
+++ b/spring-5-reactive-security/src/main/java/com/baeldung/reactive/security/SpringSecurity5Application.java
@@ -8,8 +8,9 @@ import org.springframework.http.server.reactive.HttpHandler;
 import org.springframework.http.server.reactive.ReactorHttpHandlerAdapter;
 import org.springframework.web.reactive.config.EnableWebFlux;
 import org.springframework.web.server.adapter.WebHttpHandlerBuilder;
-import reactor.ipc.netty.NettyContext;
-import reactor.ipc.netty.http.server.HttpServer;
+
+import reactor.netty.DisposableServer;
+import reactor.netty.http.server.HttpServer;
 
 @ComponentScan(basePackages = {"com.baeldung.reactive.security"})
 @EnableWebFlux
@@ -18,17 +19,19 @@ public class SpringSecurity5Application {
     public static void main(String[] args) {
         try (AnnotationConfigApplicationContext context =
                      new AnnotationConfigApplicationContext(SpringSecurity5Application.class)) {
-            context.getBean(NettyContext.class).onClose().block();
+            context.getBean(DisposableServer.class).onDispose().block();
         }
     }
 
     @Bean
-    public NettyContext nettyContext(ApplicationContext context) {
+    public DisposableServer disposableServer(ApplicationContext context) {
         HttpHandler handler = WebHttpHandlerBuilder.applicationContext(context)
                 .build();
         ReactorHttpHandlerAdapter adapter = new ReactorHttpHandlerAdapter(handler);
-        HttpServer httpServer = HttpServer.create("localhost", 8080);
-        return httpServer.newHandler(adapter).block();
+        HttpServer httpServer = HttpServer.create();
+        httpServer.host("localhost");
+        httpServer.port(8080);
+        return httpServer.handle(adapter).bindNow();
     }
 
 }
diff --git a/spring-5-security-oauth/pom.xml b/spring-5-security-oauth/pom.xml
index 142326757b..59150a153f 100644
--- a/spring-5-security-oauth/pom.xml
+++ b/spring-5-security-oauth/pom.xml
@@ -10,9 +10,9 @@
 
     <parent>
         <groupId>com.baeldung</groupId>
-        <artifactId>parent-boot-2.0-temp</artifactId>
+        <artifactId>parent-boot-2</artifactId>
         <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../parent-boot-2.0-temp</relativePath>
+        <relativePath>../parent-boot-2</relativePath>
     </parent>
 
     <dependencies>
diff --git a/spring-5-security/pom.xml b/spring-5-security/pom.xml
index 916af7f629..c26e370381 100644
--- a/spring-5-security/pom.xml
+++ b/spring-5-security/pom.xml
@@ -10,9 +10,9 @@
 
     <parent>
         <groupId>com.baeldung</groupId>
-        <artifactId>parent-boot-2.0-temp</artifactId>
+        <artifactId>parent-boot-2</artifactId>
         <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../parent-boot-2.0-temp</relativePath>
+        <relativePath>../parent-boot-2</relativePath>
     </parent>
 
     <dependencies>
@@ -31,7 +31,7 @@
         </dependency>
         <dependency>
             <groupId>org.thymeleaf.extras</groupId>
-            <artifactId>thymeleaf-extras-springsecurity4</artifactId>
+            <artifactId>thymeleaf-extras-springsecurity5</artifactId>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
diff --git a/spring-5-security/src/main/resources/templatesextrafields/index.html b/spring-5-security/src/main/resources/templatesextrafields/index.html
index 37833ff0d2..1dd9c12d42 100644
--- a/spring-5-security/src/main/resources/templatesextrafields/index.html
+++ b/spring-5-security/src/main/resources/templatesextrafields/index.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org" xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity4" lang="en">
+<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org" xmlns:sec="http://www.thymeleaf.org/extras/spring-security" lang="en">
     <head>
         <title>Spring Security with Extra Fields</title>
         <meta charset="utf-8" />
diff --git a/spring-all/pom.xml b/spring-all/pom.xml
index faddab6ea6..2dc4915bab 100644
--- a/spring-all/pom.xml
+++ b/spring-all/pom.xml
@@ -7,10 +7,10 @@
     <packaging>war</packaging>
 
     <parent>
-        <artifactId>parent-boot-2.0-temp</artifactId>
+        <artifactId>parent-boot-2</artifactId>
         <groupId>com.baeldung</groupId>
         <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../parent-boot-2.0-temp</relativePath>
+        <relativePath>../parent-boot-2</relativePath>
     </parent>
 
     <dependencies>