diff --git a/lib/mgmt.h b/lib/mgmt.h
index 400167e..9f34b7f 100644
--- a/lib/mgmt.h
+++ b/lib/mgmt.h
@@ -1015,6 +1015,22 @@ struct mgmt_ev_controller_resume {
 	uint8_t wake_reason;
 } __packed;
 
+#define MGMT_EV_ADV_MONITOR_DEVICE_FOUND	0x002f
+struct mgmt_ev_adv_monitor_device_found {
+	uint16_t monitor_handle;
+	struct mgmt_addr_info addr;
+	int8_t rssi;
+	uint32_t flags;
+	uint16_t ad_data_len;
+	uint8_t ad_data[0];
+} __packed;
+
+#define MGMT_EV_ADV_MONITOR_DEVICE_LOST		0x0030
+struct mgmt_ev_adv_monitor_device_lost {
+	uint16_t monitor_handle;
+	struct mgmt_addr_info addr;
+} __packed;
+
 static const char *mgmt_op[] = {
 	"<0x0000>",
 	"Read Version",
@@ -1153,6 +1169,8 @@ static const char *mgmt_ev[] = {
 	"Advertisement Monitor Removed",
 	"Controller Suspend",
 	"Controller Resume",
+	"Advertisement Monitor Device Found",		/* 0x002f */
+	"Advertisement Monitor Device Lost",
 };
 
 static const char *mgmt_status[] = {