diff --git a/resource-server-webapp/pom.xml b/resource-server-webapp/pom.xml
index 01c89d0e..77b9d330 100644
--- a/resource-server-webapp/pom.xml
+++ b/resource-server-webapp/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
-    <version>2.7.18</version>
+    <version>4.0.6</version>
     <relativePath /> <!-- lookup parent from repository -->
   </parent>