diff --git a/common/src/wrtc-ffmpeg-source.ts b/common/src/wrtc-ffmpeg-source.ts
index 760892daf..75b4b4466 100644
--- a/common/src/wrtc-ffmpeg-source.ts
+++ b/common/src/wrtc-ffmpeg-source.ts
@@ -93,7 +93,10 @@ export async function createRTCPeerConnectionSource(avsource: RTCAVSource, id: s
             }
             udp!.send(rtp.serialize(), audioPort, "127.0.0.1");
         });
-    });
+        track.onReceiveRtp.once(() => {
+            setInterval(() => audioTransceiver.receiver.sendRtcpPLI(track.ssrc!), 2000);
+        });
+});
 
     const videoTransceiver = pc.addTransceiver("video", avsource.video as any);
     videoTransceiver.onTrack.subscribe((track) => {
diff --git a/external/werift b/external/werift
index 570f758c2..bb7d569f4 160000
--- a/external/werift
+++ b/external/werift
@@ -1 +1 @@
-Subproject commit 570f758c20ee6220ccdf574554618c36127ed4d2
+Subproject commit bb7d569f45a9d6a3c8d4598a99ce920d7bc3b6d9