diff --git a/http_benchmark/clients/requestx_adapter.py b/http_benchmark/clients/requestx_adapter.py
index 50b82df..7e5b18d 100644
--- a/http_benchmark/clients/requestx_adapter.py
+++ b/http_benchmark/clients/requestx_adapter.py
@@ -54,7 +54,7 @@ def make_request(self, request: HTTPRequest) -> Dict[str, Any]:
                 "status_code": response.status_code,
                 "headers": dict(response.headers),
                 "content": response.text,
-                "response_time": response.elapsed.total_seconds(),
+                "response_time": response.elapsed,
                 "url": str(response.url),
                 "success": True,
                 "error": None,
diff --git a/pyproject.toml b/pyproject.toml
index 02d9a3d..38dd066 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "http-client-benchmarker"
-version = "5.1.1"
+version = "5.1.2"
 description = "A Python HTTP Client Performance Benchmark Framework"
 readme = "README.md"
 authors = [{name = "Qunfei Wu", email = "wu.qunfei@gmail.com"}]