diff --git a/litellm/llms/vertex_ai/gemini/vertex_and_google_ai_studio_gemini.py b/litellm/llms/vertex_ai/gemini/vertex_and_google_ai_studio_gemini.py
index d248d2862e8..5aeb5be4c78 100644
--- a/litellm/llms/vertex_ai/gemini/vertex_and_google_ai_studio_gemini.py
+++ b/litellm/llms/vertex_ai/gemini/vertex_and_google_ai_studio_gemini.py
@@ -271,6 +271,7 @@ class VertexGeminiConfig(VertexAIBaseConfig, BaseConfig):
             "modalities",
             "parallel_tool_calls",
             "web_search_options",
+            "audio",
         ]
 
         # Add penalty parameters only for non-preview models