diff --git a/grpc_client/python/pyproject.toml b/grpc_client/python/pyproject.toml
index 23d8cd3a13..f8604898cb 100644
--- a/grpc_client/python/pyproject.toml
+++ b/grpc_client/python/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "smg-grpc-proto"
-version = "0.4.1"
+version = "0.4.2"
 description = "SMG gRPC proto definitions for SGLang, vLLM, and TRT-LLM"
 requires-python = ">=3.10"
 dependencies = [