diff --git a/src/gquic_process.c b/src/gquic_process.c
index 3479d14..4f0b721 100644
--- a/src/gquic_process.c
+++ b/src/gquic_process.c
@@ -481,7 +481,8 @@ enum _QUIC_VERSION is_quic_protocol(struct streaminfo *pstream, struct _quic_con
 				(quic_version==PICOQUIC_VERSION_30) ||
 				(quic_version==PQUIC_VERSION_PROX) ||
 				(quic_version==GQUIC_VERSION_T099) ||
-				(quic_version>=GQUIC_VERSION_Q048 && quic_version<=GQUIC_VERSION_Q050) ||
+				(quic_version>=GQUIC_VERSION_Q047 && quic_version<=GQUIC_VERSION_Q050) ||
+				(quic_version>=GQUIC_VERSION_Q051 && quic_version<=GQUIC_VERSION_Q059) ||
 				(quic_version>=GQUIC_VERSION_T048&& quic_version<=GQUIC_VERSION_T049) ||
 				(quic_version>=GQUIC_VERSION_T050&& quic_version<=GQUIC_VERSION_T059) ||
 				(quic_version>=QUANT_VERSION_00 && quic_version<=QUANT_VERSION_FF) ||