diff --git a/README.md b/README.md
index 6dfaa8e..5bbd292 100644
--- a/README.md
+++ b/README.md
@@ -17,3 +17,9 @@ https://hellokoding.com/registration-and-login-example-with-spring-security-spri
 
 ## Run
 ```mvn clean spring-boot:run```
+
+To run the standalone jar:
+```
+mvn clean package 
+java -jar target/auth-2.6.2.jar
+```
diff --git a/pom.xml b/pom.xml
index 7059011..9ebb216 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,11 +4,11 @@
     <artifactId>auth</artifactId>
     <name>auth</name>
     <description>auth</description>
-    <packaging>war</packaging>
+    <packaging>jar</packaging>
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>1.3.5.RELEASE</version>
+        <version>2.6.2</version>
     </parent>
 
     <properties>
@@ -35,19 +35,11 @@
         <dependency>
             <groupId>org.hsqldb</groupId>
             <artifactId>hsqldb</artifactId>
-            <scope>runtime</scope>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-tomcat</artifactId>
-            <scope>provided</scope>
         </dependency>
 
         <dependency>
             <groupId>org.apache.tomcat.embed</groupId>
             <artifactId>tomcat-embed-jasper</artifactId>
-            <scope>provided</scope>
         </dependency>
 
         <dependency>
diff --git a/src/main/java/com/hellokoding/auth/WebApplication.java b/src/main/java/com/hellokoding/auth/WebApplication.java
index eed3887..0693113 100644
--- a/src/main/java/com/hellokoding/auth/WebApplication.java
+++ b/src/main/java/com/hellokoding/auth/WebApplication.java
@@ -3,7 +3,7 @@
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.builder.SpringApplicationBuilder;
-import org.springframework.boot.context.web.SpringBootServletInitializer;
+import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
 
 @SpringBootApplication
 public class WebApplication extends SpringBootServletInitializer {
diff --git a/src/main/java/com/hellokoding/auth/WebSecurityConfig.java b/src/main/java/com/hellokoding/auth/WebSecurityConfig.java
index efcd553..71674aa 100644
--- a/src/main/java/com/hellokoding/auth/WebSecurityConfig.java
+++ b/src/main/java/com/hellokoding/auth/WebSecurityConfig.java
@@ -3,7 +3,7 @@
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
+import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
 import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
@@ -36,8 +36,9 @@ protected void configure(HttpSecurity http) throws Exception {
                     .permitAll();
     }
 
-    @Autowired
-    public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
-        auth.userDetailsService(userDetailsService).passwordEncoder(bCryptPasswordEncoder());
+    @Bean
+    @Override
+    public AuthenticationManager authenticationManagerBean() throws Exception {
+        return super.authenticationManagerBean();
     }
 }
\ No newline at end of file
diff --git a/src/main/java/com/hellokoding/auth/service/UserDetailsServiceImpl.java b/src/main/java/com/hellokoding/auth/service/UserDetailsServiceImpl.java
index 36a6490..ef9ff93 100644
--- a/src/main/java/com/hellokoding/auth/service/UserDetailsServiceImpl.java
+++ b/src/main/java/com/hellokoding/auth/service/UserDetailsServiceImpl.java
@@ -15,7 +15,7 @@
 import java.util.HashSet;
 import java.util.Set;
 
-@Service
+@Service(value = "userDetailsService")
 public class UserDetailsServiceImpl implements UserDetailsService{
     @Autowired
     private UserRepository userRepository;