diff --git a/src/pipecat/services/gemini_multimodal_live/events.py b/src/pipecat/services/gemini_multimodal_live/events.py
index 160ff1174..b70e2bf3e 100644
--- a/src/pipecat/services/gemini_multimodal_live/events.py
+++ b/src/pipecat/services/gemini_multimodal_live/events.py
@@ -44,6 +44,16 @@ class ContentPart(BaseModel):
 
     text: Optional[str] = Field(default=None, validate_default=False)
     inlineData: Optional[MediaChunk] = Field(default=None, validate_default=False)
+    fileData: Optional['FileData'] = Field(default=None, validate_default=False)
+
+
+class FileData(BaseModel):
+    """Represents a file reference in the Gemini File API."""
+    mimeType: str
+    fileUri: str
+
+
+ContentPart.model_rebuild()  # Rebuild model to resolve forward reference
 
 
 class Turn(BaseModel):