diff --git a/servlet/java-configuration/authentication/username-password/ldap/src/main/java/example/SecurityConfiguration.java b/servlet/java-configuration/authentication/username-password/ldap/src/main/java/example/SecurityConfiguration.java
index 32840f1..8d48f1e 100644
--- a/servlet/java-configuration/authentication/username-password/ldap/src/main/java/example/SecurityConfiguration.java
+++ b/servlet/java-configuration/authentication/username-password/ldap/src/main/java/example/SecurityConfiguration.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,39 +17,29 @@ package example;
 
 import org.springframework.context.annotation.Bean;
 import org.springframework.ldap.core.support.BaseLdapPathContextSource;
+import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
-import org.springframework.security.ldap.DefaultSpringSecurityContextSource;
-import org.springframework.security.ldap.authentication.BindAuthenticator;
-import org.springframework.security.ldap.authentication.LdapAuthenticationProvider;
-import org.springframework.security.ldap.authentication.LdapAuthenticator;
-import org.springframework.security.ldap.server.UnboundIdContainer;
+import org.springframework.security.config.ldap.EmbeddedLdapServerContextSourceFactoryBean;
+import org.springframework.security.config.ldap.LdapBindAuthenticationManagerFactory;
+import org.springframework.security.ldap.userdetails.PersonContextMapper;
 
 @EnableWebSecurity
 public class SecurityConfiguration {
 
 	@Bean
-	UnboundIdContainer ldapContainer() {
-		UnboundIdContainer result = new UnboundIdContainer("dc=springframework,dc=org", "classpath:users.ldif");
-		result.setPort(0);
-		return result;
+	public EmbeddedLdapServerContextSourceFactoryBean contextSourceFactoryBean() {
+		EmbeddedLdapServerContextSourceFactoryBean contextSourceFactoryBean = EmbeddedLdapServerContextSourceFactoryBean
+				.fromEmbeddedLdapServer();
+		contextSourceFactoryBean.setPort(0);
+		return contextSourceFactoryBean;
 	}
 
 	@Bean
-	DefaultSpringSecurityContextSource contextSource(UnboundIdContainer container) {
-		return new DefaultSpringSecurityContextSource(
-				"ldap://localhost:" + container.getPort() + "/dc=springframework,dc=org");
-	}
-
-	@Bean
-	BindAuthenticator authenticator(BaseLdapPathContextSource contextSource) {
-		BindAuthenticator authenticator = new BindAuthenticator(contextSource);
-		authenticator.setUserDnPatterns(new String[] { "uid={0},ou=people" });
-		return authenticator;
-	}
-
-	@Bean
-	LdapAuthenticationProvider authenticationProvider(LdapAuthenticator authenticator) {
-		return new LdapAuthenticationProvider(authenticator);
+	AuthenticationManager authenticationManager(BaseLdapPathContextSource contextSource) {
+		LdapBindAuthenticationManagerFactory factory = new LdapBindAuthenticationManagerFactory(contextSource);
+		factory.setUserDnPatterns("uid={0},ou=people");
+		factory.setUserDetailsContextMapper(new PersonContextMapper());
+		return factory.createAuthenticationManager();
 	}
 
 }
diff --git a/servlet/spring-boot/java/ldap/src/main/java/example/SecurityConfig.java b/servlet/spring-boot/java/ldap/src/main/java/example/SecurityConfig.java
index d8024ee..82be683 100644
--- a/servlet/spring-boot/java/ldap/src/main/java/example/SecurityConfig.java
+++ b/servlet/spring-boot/java/ldap/src/main/java/example/SecurityConfig.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,13 +18,10 @@ package example;
 
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.ldap.core.ContextSource;
 import org.springframework.ldap.core.support.BaseLdapPathContextSource;
-import org.springframework.security.ldap.DefaultSpringSecurityContextSource;
-import org.springframework.security.ldap.authentication.BindAuthenticator;
-import org.springframework.security.ldap.authentication.LdapAuthenticationProvider;
-import org.springframework.security.ldap.authentication.LdapAuthenticator;
-import org.springframework.security.ldap.server.UnboundIdContainer;
+import org.springframework.security.authentication.AuthenticationManager;
+import org.springframework.security.config.ldap.EmbeddedLdapServerContextSourceFactoryBean;
+import org.springframework.security.config.ldap.LdapBindAuthenticationManagerFactory;
 import org.springframework.security.ldap.userdetails.PersonContextMapper;
 
 /**
@@ -36,30 +33,19 @@ import org.springframework.security.ldap.userdetails.PersonContextMapper;
 public class SecurityConfig {
 
 	@Bean
-	UnboundIdContainer ldapContainer() {
-		UnboundIdContainer container = new UnboundIdContainer("dc=springframework,dc=org", "classpath:users.ldif");
-		container.setPort(0);
-		return container;
+	public EmbeddedLdapServerContextSourceFactoryBean contextSourceFactoryBean() {
+		EmbeddedLdapServerContextSourceFactoryBean contextSourceFactoryBean = EmbeddedLdapServerContextSourceFactoryBean
+				.fromEmbeddedLdapServer();
+		contextSourceFactoryBean.setPort(0);
+		return contextSourceFactoryBean;
 	}
 
 	@Bean
-	ContextSource contextSource(UnboundIdContainer container) {
-		int port = container.getPort();
-		return new DefaultSpringSecurityContextSource("ldap://localhost:" + port + "/dc=springframework,dc=org");
-	}
-
-	@Bean
-	BindAuthenticator authenticator(BaseLdapPathContextSource contextSource) {
-		BindAuthenticator authenticator = new BindAuthenticator(contextSource);
-		authenticator.setUserDnPatterns(new String[] { "uid={0},ou=people" });
-		return authenticator;
-	}
-
-	@Bean
-	LdapAuthenticationProvider authenticationProvider(LdapAuthenticator authenticator) {
-		LdapAuthenticationProvider provider = new LdapAuthenticationProvider(authenticator);
-		provider.setUserDetailsContextMapper(new PersonContextMapper());
-		return provider;
+	AuthenticationManager authenticationManager(BaseLdapPathContextSource contextSource) {
+		LdapBindAuthenticationManagerFactory factory = new LdapBindAuthenticationManagerFactory(contextSource);
+		factory.setUserDnPatterns("uid={0},ou=people");
+		factory.setUserDetailsContextMapper(new PersonContextMapper());
+		return factory.createAuthenticationManager();
 	}
 
 }