diff --git a/sample-spring-boot/pom.xml b/sample-spring-boot/pom.xml
index 2d25add1..f0332843 100644
--- a/sample-spring-boot/pom.xml
+++ b/sample-spring-boot/pom.xml
@@ -15,7 +15,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring.boot.version>3.5.12</spring.boot.version>
+        <spring.boot.version>4.0.4</spring.boot.version>
         <keytool.plugin.version>1.5</keytool.plugin.version>
         <keystore.token.store_password>0bzhBRNUXBR5
         </keystore.token.store_password>