diff --git a/litellm/utils.py b/litellm/utils.py
index 2d441823bc..be26405b43 100644
--- a/litellm/utils.py
+++ b/litellm/utils.py
@@ -2437,6 +2437,7 @@ def get_optional_params_transcription(
         "prompt": None,
         "response_format": None,
         "temperature": None,  # openai defaults this to 0
+        "timestamp_granularities": None
     }
 
     non_default_params = {
diff --git a/tests/llm_translation/test_openai.py b/tests/llm_translation/test_openai.py
index 285a406b3f..e069afe69f 100644
--- a/tests/llm_translation/test_openai.py
+++ b/tests/llm_translation/test_openai.py
@@ -451,6 +451,8 @@ class TestOpenAIGPT4OAudioTranscription(BaseLLMAudioTranscriptionTest):
     def get_base_audio_transcription_call_args(self) -> dict:
         return {
             "model": "openai/gpt-4o-transcribe",
+            "response_format": "verbose_json",
+            "timestamp_granularities": ["word"],
         }
 
     def get_custom_llm_provider(self) -> litellm.LlmProviders:
diff --git a/tests/local_testing/test_whisper.py b/tests/local_testing/test_whisper.py
index 54bbcaa93d..022af6d1cf 100644
--- a/tests/local_testing/test_whisper.py
+++ b/tests/local_testing/test_whisper.py
@@ -66,6 +66,7 @@ async def test_transcription(
         api_key=api_key,
         api_base=api_base,
         response_format=response_format,
+        timestamp_granularities=timestamp_granularities,
         drop_params=True,
     )
     print(f"transcript: {transcript.model_dump()}")