diff --git a/example/rest-adapter/pom.xml b/example/rest-adapter/pom.xml
index fa8bf4e..04a6c41 100644
--- a/example/rest-adapter/pom.xml
+++ b/example/rest-adapter/pom.xml
@@ -51,7 +51,7 @@
       <plugin>
         <groupId>org.openapitools</groupId>
         <artifactId>openapi-generator-maven-plugin</artifactId>
-        <version>7.20.0</version>
+        <version>7.21.0</version>
         <executions>
           <execution>
             <id>generate-open-api-source</id>