diff --git a/config/src/main/java/org/springframework/security/config/annotation/web/reactive/ServerHttpSecurityConfiguration.java b/config/src/main/java/org/springframework/security/config/annotation/web/reactive/ServerHttpSecurityConfiguration.java
index 8e06990092..2596373e5f 100644
--- a/config/src/main/java/org/springframework/security/config/annotation/web/reactive/ServerHttpSecurityConfiguration.java
+++ b/config/src/main/java/org/springframework/security/config/annotation/web/reactive/ServerHttpSecurityConfiguration.java
@@ -28,6 +28,7 @@ import org.springframework.core.ReactiveAdapterRegistry;
 import org.springframework.security.authentication.ReactiveAuthenticationManager;
 import org.springframework.security.authentication.UserDetailsRepositoryReactiveAuthenticationManager;
 import org.springframework.security.config.web.server.ServerHttpSecurity;
+import org.springframework.security.core.userdetails.ReactiveUserDetailsPasswordService;
 import org.springframework.security.core.userdetails.ReactiveUserDetailsService;
 import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.security.web.reactive.result.method.annotation.AuthenticationPrincipalArgumentResolver;
@@ -54,6 +55,9 @@ class ServerHttpSecurityConfiguration implements WebFluxConfigurer {
 	@Autowired(required = false)
 	private PasswordEncoder passwordEncoder;
 
+	@Autowired(required = false)
+	private ReactiveUserDetailsPasswordService userDetailsPasswordService;
+
 	@Autowired(required = false)
 	private BeanFactory beanFactory;
 
@@ -92,6 +96,7 @@ class ServerHttpSecurityConfiguration implements WebFluxConfigurer {
 			if(this.passwordEncoder != null) {
 				manager.setPasswordEncoder(this.passwordEncoder);
 			}
+			manager.setUserDetailsPasswordService(this.userDetailsPasswordService);
 			return manager;
 		}
 		return null;
diff --git a/config/src/test/java/org/springframework/security/config/annotation/web/reactive/EnableWebFluxSecurityTests.java b/config/src/test/java/org/springframework/security/config/annotation/web/reactive/EnableWebFluxSecurityTests.java
index 60ce3aaffc..7d6ee06919 100644
--- a/config/src/test/java/org/springframework/security/config/annotation/web/reactive/EnableWebFluxSecurityTests.java
+++ b/config/src/test/java/org/springframework/security/config/annotation/web/reactive/EnableWebFluxSecurityTests.java
@@ -237,6 +237,34 @@ public class EnableWebFluxSecurityTests {
 		}
 	}
 
+	@Test
+	public void passwordUpdateManagerUsed() {
+		this.spring.register(MapReactiveUserDetailsServiceConfig.class).autowire();
+		WebTestClient client = WebTestClientBuilder.bindToWebFilters(this.springSecurityFilterChain).build();
+
+		client
+				.get()
+				.uri("/")
+				.headers(h -> h.setBasicAuth("user", "password"))
+				.exchange()
+				.expectStatus().isOk();
+
+		ReactiveUserDetailsService users = this.spring.getContext().getBean(ReactiveUserDetailsService.class);
+		assertThat(users.findByUsername("user").block().getPassword()).startsWith("{bcrypt}");
+	}
+
+	@EnableWebFluxSecurity
+	static class MapReactiveUserDetailsServiceConfig {
+		@Bean
+		public MapReactiveUserDetailsService userDetailsService() {
+			return new MapReactiveUserDetailsService(User.withUsername("user")
+					.password("{noop}password")
+					.roles("USER")
+					.build()
+			);
+		}
+	}
+
 	@Test
 	public void formLoginWorks() {
 		this.spring.register(Config.class).autowire();
diff --git a/core/src/main/java/org/springframework/security/authentication/UserDetailsRepositoryReactiveAuthenticationManager.java b/core/src/main/java/org/springframework/security/authentication/UserDetailsRepositoryReactiveAuthenticationManager.java
index 7e67677eb4..0a79e6b244 100644
--- a/core/src/main/java/org/springframework/security/authentication/UserDetailsRepositoryReactiveAuthenticationManager.java
+++ b/core/src/main/java/org/springframework/security/authentication/UserDetailsRepositoryReactiveAuthenticationManager.java
@@ -20,7 +20,6 @@ import org.springframework.security.core.Authentication;
 
 import org.springframework.security.core.userdetails.ReactiveUserDetailsPasswordService;
 import org.springframework.security.core.userdetails.ReactiveUserDetailsService;
-import org.springframework.security.core.userdetails.User;
 import org.springframework.security.crypto.factory.PasswordEncoderFactories;
 import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.util.Assert;
diff --git a/core/src/test/java/org/springframework/security/authentication/UserDetailsRepositoryReactiveAuthenticationManagerTests.java b/core/src/test/java/org/springframework/security/authentication/UserDetailsRepositoryReactiveAuthenticationManagerTests.java
index 4de034dcb5..2037bfef6e 100644
--- a/core/src/test/java/org/springframework/security/authentication/UserDetailsRepositoryReactiveAuthenticationManagerTests.java
+++ b/core/src/test/java/org/springframework/security/authentication/UserDetailsRepositoryReactiveAuthenticationManagerTests.java
@@ -115,7 +115,6 @@ public class UserDetailsRepositoryReactiveAuthenticationManagerTests {
 	public void authenticateWhenPasswordServiceAndBadCredentialsThenNotUpdated() {
 		when(this.userDetailsService.findByUsername(any())).thenReturn(Mono.just(this.user));
 		when(this.encoder.matches(any(), any())).thenReturn(false);
-		when(this.userDetailsPasswordService.updatePassword(any(), any())).thenReturn(Mono.just(this.user));
 		this.manager.setPasswordEncoder(this.encoder);
 		this.manager.setUserDetailsPasswordService(this.userDetailsPasswordService);
 		UsernamePasswordAuthenticationToken token = new UsernamePasswordAuthenticationToken(
@@ -132,7 +131,6 @@ public class UserDetailsRepositoryReactiveAuthenticationManagerTests {
 		when(this.userDetailsService.findByUsername(any())).thenReturn(Mono.just(this.user));
 		when(this.encoder.matches(any(), any())).thenReturn(true);
 		when(this.encoder.upgradeEncoding(any())).thenReturn(false);
-		when(this.userDetailsPasswordService.updatePassword(any(), any())).thenReturn(Mono.just(this.user));
 		this.manager.setPasswordEncoder(this.encoder);
 		this.manager.setUserDetailsPasswordService(this.userDetailsPasswordService);
 		UsernamePasswordAuthenticationToken token = new UsernamePasswordAuthenticationToken(