diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 8a6d57ada98..5ac136c2310 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -12,7 +12,7 @@ org-jetbrains-kotlin = "2.2.20"
 org-jetbrains-kotlinx = "1.10.2"
 org-mockito = "5.17.0"
 org-opensaml5 = "5.1.6"
-org-springframework = "7.0.0-M8"
+org-springframework = "7.0.0-M9"
 
 [libraries]
 ch-qos-logback-logback-classic = "ch.qos.logback:logback-classic:1.5.18"
diff --git a/web/src/main/java/org/springframework/security/web/server/firewall/StrictServerWebExchangeFirewall.java b/web/src/main/java/org/springframework/security/web/server/firewall/StrictServerWebExchangeFirewall.java
index ec1f12ad26e..f51dca5f59b 100644
--- a/web/src/main/java/org/springframework/security/web/server/firewall/StrictServerWebExchangeFirewall.java
+++ b/web/src/main/java/org/springframework/security/web/server/firewall/StrictServerWebExchangeFirewall.java
@@ -837,6 +837,11 @@ public Builder remoteAddress(InetSocketAddress remoteAddress) {
 					return new StrictFirewallBuilder(this.delegate.remoteAddress(remoteAddress));
 				}
 
+				@Override
+				public Builder localAddress(InetSocketAddress localAddress) {
+					return new StrictFirewallBuilder(this.delegate.localAddress(localAddress));
+				}
+
 				@Override
 				public ServerHttpRequest build() {
 					return new StrictFirewallHttpRequest(this.delegate.build());