diff --git a/gstreamer-webrtc/Gir.toml b/gstreamer-webrtc/Gir.toml
index 98e32982c..65a5db736 100644
--- a/gstreamer-webrtc/Gir.toml
+++ b/gstreamer-webrtc/Gir.toml
@@ -50,6 +50,11 @@ name = "GstWebRTC.WebRTCDTLSTransport"
 status = "generate"
 final_type = true
 
+    [[object.function]]
+    name = "new"
+    # Function signature changed since 1.20
+    version = "1.20"
+
 [[object]]
 name = "GstWebRTC.WebRTCICETransport"
 status = "generate"