diff --git a/reactive/spring-boot/build.gradle b/reactive/spring-boot/build.gradle
index cca6250..b16d324 100644
--- a/reactive/spring-boot/build.gradle
+++ b/reactive/spring-boot/build.gradle
@@ -1,6 +1,6 @@
 plugins {
 	id 'java'
-	id 'org.springframework.boot' version '3.5.7'
+	id 'org.springframework.boot' version '4.0.2'
 	id 'io.spring.dependency-management' version '1.1.7'
 	id 'org.graalvm.buildtools.native' version '0.11.4'
 }