diff --git a/backend/build.gradle.kts b/backend/build.gradle.kts
index 9f4345f790..f3246fc526 100644
--- a/backend/build.gradle.kts
+++ b/backend/build.gradle.kts
@@ -5,7 +5,7 @@ import org.jlleitschuh.gradle.ktlint.KtlintExtension
 plugins {
     `java-library`
     `maven-publish`
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.0"
     id("io.spring.dependency-management") version "1.1.7"
     id("org.jlleitschuh.gradle.ktlint") version "13.1.0"
     kotlin("jvm") version "2.2.21"
@@ -66,7 +66,7 @@ val sentryVersion = "8.26.0"
 val flywayVersion = "11.17.0"
 
 dependencies {
-    implementation(platform("org.springframework.boot:spring-boot-dependencies:3.5.7"))
+    implementation(platform("org.springframework.boot:spring-boot-dependencies:4.0.0"))
 
     // Spring Boot
     implementation("org.springframework.boot:spring-boot-starter-web")