diff --git a/demo/openapi-generator-for-spring-demo-webmvc/pom.xml b/demo/openapi-generator-for-spring-demo-webmvc/pom.xml
index a7afdfb8..39893259 100644
--- a/demo/openapi-generator-for-spring-demo-webmvc/pom.xml
+++ b/demo/openapi-generator-for-spring-demo-webmvc/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.0.4</version>
+        <version>3.3.3</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
     <groupId>de.qaware.tools.openapi-generator-for-spring.demo</groupId>