diff --git a/changelog/3461.added.md b/changelog/3461.added.md
new file mode 100644
index 000000000..e0bc27d83
--- /dev/null
+++ b/changelog/3461.added.md
@@ -0,0 +1 @@
+- Added the `additional_headers` param to `WebsocketClientParams`, allowing `WebsocketClientTransport` to send custom headers on connect, for cases such as authentication.
diff --git a/src/pipecat/transports/websocket/client.py b/src/pipecat/transports/websocket/client.py
index 2123a2c4d..02c891c54 100644
--- a/src/pipecat/transports/websocket/client.py
+++ b/src/pipecat/transports/websocket/client.py
@@ -50,6 +50,7 @@ class WebsocketClientParams(TransportParams):
     """
 
     add_wav_header: bool = True
+    additional_headers: Optional[dict[str, str]] = None
     serializer: Optional[FrameSerializer] = None
 
 
@@ -130,7 +131,11 @@ class WebsocketClientSession:
             return
 
         try:
-            self._websocket = await websocket_connect(uri=self._uri, open_timeout=10)
+            self._websocket = await websocket_connect(
+                uri=self._uri,
+                open_timeout=10,
+                additional_headers=self._params.additional_headers,
+            )
             self._client_task = self.task_manager.create_task(
                 self._client_task_handler(),
                 f"{self._transport_name}::WebsocketClientSession::_client_task_handler",