diff --git a/samples/server/petstore/rust-server/output/rust-server-test/.openapi-generator/VERSION b/samples/server/petstore/rust-server/output/rust-server-test/.openapi-generator/VERSION
index 4395ff59232..afa63656064 100644
--- a/samples/server/petstore/rust-server/output/rust-server-test/.openapi-generator/VERSION
+++ b/samples/server/petstore/rust-server/output/rust-server-test/.openapi-generator/VERSION
@@ -1 +1 @@
-3.2.0-SNAPSHOT
\ No newline at end of file
+4.0.0-SNAPSHOT
\ No newline at end of file