diff --git a/petstore-provider/build.gradle b/petstore-provider/build.gradle
index 287f61c..99505d3 100644
--- a/petstore-provider/build.gradle
+++ b/petstore-provider/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'org.jetbrains.kotlin.jvm'
   id 'org.jetbrains.kotlin.plugin.spring' version '2.3.0'
-  id 'org.springframework.boot' version '2.7.18'
+  id 'org.springframework.boot' version '4.0.1'
   id 'io.spring.dependency-management' version '1.1.7'
 }