diff --git a/litellm/proxy/pass_through_endpoints/llm_provider_handlers/vertex_passthrough_logging_handler.py b/litellm/proxy/pass_through_endpoints/llm_provider_handlers/vertex_passthrough_logging_handler.py
index 5a49daa58..fe61f32ee 100644
--- a/litellm/proxy/pass_through_endpoints/llm_provider_handlers/vertex_passthrough_logging_handler.py
+++ b/litellm/proxy/pass_through_endpoints/llm_provider_handlers/vertex_passthrough_logging_handler.py
@@ -132,7 +132,7 @@ class VertexPassthroughLoggingHandler:
         - Creates standard logging object
         - Logs in litellm callbacks
         """
-        kwargs = {}
+        kwargs: Dict[str, Any] = {}
         model = VertexPassthroughLoggingHandler.extract_model_from_url(url_route)
         complete_streaming_response = (
             VertexPassthroughLoggingHandler._build_complete_streaming_response(