diff --git a/src/pipecat/frames/frames.py b/src/pipecat/frames/frames.py
index 9efbb7595..90abfeda6 100644
--- a/src/pipecat/frames/frames.py
+++ b/src/pipecat/frames/frames.py
@@ -198,6 +198,7 @@ class TTSSpeakFrame(DataFrame):
 @dataclass
 class TransportMessageFrame(DataFrame):
     message: Any
+    urgent: bool = False
 
     def __str__(self):
         return f"{self.name}(message: {self.message})"