diff --git a/samples/client/others/csharp-netcore-complex-files/.openapi-generator/VERSION b/samples/client/others/csharp-netcore-complex-files/.openapi-generator/VERSION
index 4077803655c..0984c4c1ad2 100644
--- a/samples/client/others/csharp-netcore-complex-files/.openapi-generator/VERSION
+++ b/samples/client/others/csharp-netcore-complex-files/.openapi-generator/VERSION
@@ -1 +1 @@
-5.3.1-SNAPSHOT
\ No newline at end of file
+5.4.0-SNAPSHOT
\ No newline at end of file