diff --git a/transports/http3-quiche/CMakeLists.txt b/transports/http3-quiche/CMakeLists.txt
index 3a96b4f..041077e 100644
--- a/transports/http3-quiche/CMakeLists.txt
+++ b/transports/http3-quiche/CMakeLists.txt
@@ -498,6 +498,8 @@ third_party/quiche/quiche/quic/core/frames/quic_goaway_frame.cc
 third_party/quiche/quiche/quic/core/frames/quic_goaway_frame.h
 third_party/quiche/quiche/quic/core/frames/quic_handshake_done_frame.cc
 third_party/quiche/quiche/quic/core/frames/quic_handshake_done_frame.h
+third_party/quiche/quiche/quic/core/frames/quic_immediate_ack_frame.cc
+third_party/quiche/quiche/quic/core/frames/quic_immediate_ack_frame.h
 third_party/quiche/quiche/quic/core/frames/quic_inlined_frame.h
 third_party/quiche/quiche/quic/core/frames/quic_max_streams_frame.cc
 third_party/quiche/quiche/quic/core/frames/quic_max_streams_frame.h