From d9b61850ba397db79912101d3ebfef825e70f5f9 Mon Sep 17 00:00:00 2001
From: Nguyen Tran Hoai Trung <nthtrung09it@gmail.com>
Date: Mon, 6 Oct 2025 00:46:35 +0700
Subject: [PATCH] fix: pass speechConfig in gemini tts request

---
 litellm/types/llms/vertex_ai.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/litellm/types/llms/vertex_ai.py b/litellm/types/llms/vertex_ai.py
index f1f7ac2c6619..6064ba515b57 100644
--- a/litellm/types/llms/vertex_ai.py
+++ b/litellm/types/llms/vertex_ai.py
@@ -206,6 +206,7 @@ class GenerationConfig(TypedDict, total=False):
     responseLogprobs: bool
     logprobs: int
     responseModalities: List[GeminiResponseModalities]
+    speechConfig: SpeechConfig
     thinkingConfig: GeminiThinkingConfig