diff --git a/samples/server/petstore/kotlin-springboot-request/pom.xml b/samples/server/petstore/kotlin-springboot-request/pom.xml
index d3dd81b25a85..f6d360a74ca2 100644
--- a/samples/server/petstore/kotlin-springboot-request/pom.xml
+++ b/samples/server/petstore/kotlin-springboot-request/pom.xml
@@ -11,7 +11,7 @@
2.1.0
1.7.10
- 1.7.10
+ 2.1.0
UTF-8