diff --git a/spring-boot-modules/spring-boot-keycloak/pom.xml b/spring-boot-modules/spring-boot-keycloak/pom.xml
index bada9ab52d..8ef6f274eb 100644
--- a/spring-boot-modules/spring-boot-keycloak/pom.xml
+++ b/spring-boot-modules/spring-boot-keycloak/pom.xml
@@ -11,9 +11,10 @@
     <description>This is a simple application demonstrating integration between Keycloak and Spring Boot.</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>
@@ -105,7 +106,7 @@
         <start-class>com.baeldung.keycloak.SpringBoot</start-class>
         <jaxb-runtime.version>4.0.0</jaxb-runtime.version>
         <wsdl4j.version>1.6.3</wsdl4j.version>
-        <jaxb2-maven-plugin.version>2.5.0</jaxb2-maven-plugin.version>
+        <jaxb2-maven-plugin.version>3.1.0</jaxb2-maven-plugin.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/spring-boot-modules/spring-boot-keycloak/src/main/java/com/baeldung/keycloak/Customer.java b/spring-boot-modules/spring-boot-keycloak/src/main/java/com/baeldung/keycloak/Customer.java
index 3293446b1d..b0aff5e724 100644
--- a/spring-boot-modules/spring-boot-keycloak/src/main/java/com/baeldung/keycloak/Customer.java
+++ b/spring-boot-modules/spring-boot-keycloak/src/main/java/com/baeldung/keycloak/Customer.java
@@ -1,9 +1,9 @@
 package com.baeldung.keycloak;
 
-import javax.persistence.Entity;
-import javax.persistence.GeneratedValue;
-import javax.persistence.GenerationType;
-import javax.persistence.Id;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
 
 @Entity
 public class Customer {
diff --git a/spring-boot-modules/spring-boot-keycloak/src/main/java/com/baeldung/keycloak/KeycloakLogoutHandler.java b/spring-boot-modules/spring-boot-keycloak/src/main/java/com/baeldung/keycloak/KeycloakLogoutHandler.java
index 06c41e9b1d..d04fff8378 100644
--- a/spring-boot-modules/spring-boot-keycloak/src/main/java/com/baeldung/keycloak/KeycloakLogoutHandler.java
+++ b/spring-boot-modules/spring-boot-keycloak/src/main/java/com/baeldung/keycloak/KeycloakLogoutHandler.java
@@ -10,8 +10,8 @@ import org.springframework.stereotype.Component;
 import org.springframework.web.client.RestTemplate;
 import org.springframework.web.util.UriComponentsBuilder;
 
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
 
 @Component
 public class KeycloakLogoutHandler implements LogoutHandler {
diff --git a/spring-boot-modules/spring-boot-keycloak/src/main/java/com/baeldung/keycloak/SecurityConfig.java b/spring-boot-modules/spring-boot-keycloak/src/main/java/com/baeldung/keycloak/SecurityConfig.java
index 3423f8eb2b..eb7767480f 100644
--- a/spring-boot-modules/spring-boot-keycloak/src/main/java/com/baeldung/keycloak/SecurityConfig.java
+++ b/spring-boot-modules/spring-boot-keycloak/src/main/java/com/baeldung/keycloak/SecurityConfig.java
@@ -12,6 +12,7 @@ import org.springframework.security.core.session.SessionRegistryImpl;
 import org.springframework.security.web.SecurityFilterChain;
 import org.springframework.security.web.authentication.session.RegisterSessionAuthenticationStrategy;
 import org.springframework.security.web.authentication.session.SessionAuthenticationStrategy;
+import org.springframework.security.web.util.matcher.AntPathRequestMatcher;
 
 @Configuration
 @EnableWebSecurity
@@ -32,7 +33,7 @@ class SecurityConfig {
     @Bean
     public SecurityFilterChain clientFilterChain(HttpSecurity http) throws Exception {
         http.authorizeRequests()
-            .antMatchers("/")
+            .requestMatchers(new AntPathRequestMatcher("/"))
             .permitAll()
             .anyRequest()
             .authenticated();
@@ -48,7 +49,7 @@ class SecurityConfig {
     @Bean
     public SecurityFilterChain resourceServerFilterChain(HttpSecurity http) throws Exception {
         http.authorizeRequests()
-            .antMatchers("/customers*")
+            .requestMatchers(new AntPathRequestMatcher("/customers*"))
             .hasRole("USER")
             .anyRequest()
             .authenticated();
diff --git a/spring-boot-modules/spring-boot-keycloak/src/main/java/com/baeldung/keycloak/WebController.java b/spring-boot-modules/spring-boot-keycloak/src/main/java/com/baeldung/keycloak/WebController.java
index bbd96c8135..8843aee25a 100644
--- a/spring-boot-modules/spring-boot-keycloak/src/main/java/com/baeldung/keycloak/WebController.java
+++ b/spring-boot-modules/spring-boot-keycloak/src/main/java/com/baeldung/keycloak/WebController.java
@@ -8,7 +8,7 @@ import java.security.Principal;
 
 import org.springframework.beans.factory.annotation.Autowired;
 
-import javax.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletRequest;
 
 @Controller
 public class WebController {
diff --git a/spring-boot-modules/spring-boot-keycloak/src/main/java/com/baeldung/keycloaksoap/ProductsEndpoint.java b/spring-boot-modules/spring-boot-keycloak/src/main/java/com/baeldung/keycloaksoap/ProductsEndpoint.java
index 58f7739af0..b072789078 100644
--- a/spring-boot-modules/spring-boot-keycloak/src/main/java/com/baeldung/keycloaksoap/ProductsEndpoint.java
+++ b/spring-boot-modules/spring-boot-keycloak/src/main/java/com/baeldung/keycloaksoap/ProductsEndpoint.java
@@ -10,7 +10,7 @@ import org.springframework.ws.server.endpoint.annotation.PayloadRoot;
 import org.springframework.ws.server.endpoint.annotation.RequestPayload;
 import org.springframework.ws.server.endpoint.annotation.ResponsePayload;
 
-import javax.annotation.security.RolesAllowed;
+import jakarta.annotation.security.RolesAllowed;
 import java.util.Map;
 
 @Endpoint
diff --git a/spring-boot-modules/spring-boot-keycloak/src/test/java/com/baeldung/keycloaksoap/KeycloakSoapLiveTest.java b/spring-boot-modules/spring-boot-keycloak/src/test/java/com/baeldung/keycloaksoap/KeycloakSoapLiveTest.java
index 171c7bf330..508061396f 100644
--- a/spring-boot-modules/spring-boot-keycloak/src/test/java/com/baeldung/keycloaksoap/KeycloakSoapLiveTest.java
+++ b/spring-boot-modules/spring-boot-keycloak/src/test/java/com/baeldung/keycloaksoap/KeycloakSoapLiveTest.java
@@ -10,7 +10,7 @@ import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.boot.test.web.client.TestRestTemplate;
-import org.springframework.boot.web.server.LocalServerPort;
+import org.springframework.boot.test.web.server.LocalServerPort;
 import org.springframework.http.HttpEntity;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpMethod;