diff --git a/samples/sample-api-first-approach/pom.xml b/samples/sample-api-first-approach/pom.xml
index d872174..2d50cae 100644
--- a/samples/sample-api-first-approach/pom.xml
+++ b/samples/sample-api-first-approach/pom.xml
@@ -126,7 +126,7 @@
             <plugin>
                 <groupId>org.openapitools</groupId>
                 <artifactId>openapi-generator-maven-plugin</artifactId>
-                <version>4.3.0</version>
+                <version>5.1.0</version>
                 <executions>
                     <execution>
                         <goals>