diff --git a/quic/core/quic_session.h b/quic/core/quic_session.h
index bd19714..d951912 100644
--- a/quic/core/quic_session.h
+++ b/quic/core/quic_session.h
@@ -135,6 +135,7 @@
   bool OnStreamsBlockedFrame(const QuicStreamsBlockedFrame& frame) override;
   void OnStopSendingFrame(const QuicStopSendingFrame& frame) override;
   void OnPacketDecrypted(EncryptionLevel level) override;
+  void OnOneRttPacketAcknowledged() override;
 
   // QuicStreamFrameDataProducer
   WriteStreamDataResult WriteStreamData(QuicStreamId id,