diff --git a/monitor/packet.c b/monitor/packet.c
index 94759b4..96cacdd 100644
--- a/monitor/packet.c
+++ b/monitor/packet.c
@@ -2346,6 +2346,9 @@ void packet_print_version(const char *label, uint8_t version,
 	case 0x09:
 		str = "Bluetooth 5.0";
 		break;
+	case 0x0a:
+		str = "Bluetooth 5.1";
+		break;
 	default:
 		str = "Reserved";
 		break;
@@ -2603,6 +2606,17 @@ static const struct bitfield_data features_le[] = {
 	{ 14, "Channel Selection Algorithm #2"			},
 	{ 15, "LE Power Class 1"				},
 	{ 16, "Minimum Number of Used Channels Procedure"	},
+	{ 17, "Connection CTE Request"				},
+	{ 18, "Connection CTE Response"				},
+	{ 19, "Connectionless CTE Transmitter"			},
+	{ 20, "Connectionless CTE Receiver"			},
+	{ 21, "Antenna Switching During CTE Transmission (AoD)"	},
+	{ 22, "Antenna Switching During CTE Reception (AoA)"	},
+	{ 23, "Receiving Constant Tone Extensions"		},
+	{ 24, "Periodic Advertising Sync Transfer - Sender"	},
+	{ 25, "Periodic Advertising Sync Transfer - Recipient"	},
+	{ 26, "Sleep Clock Accuracy Updates"			},
+	{ 27, "Remote Public Key Validation"			},
 	{ }
 };