diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 3f3a3f1..6b8371d 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -1666,6 +1666,15 @@
 	__u8     clk_accurancy;
 } __packed;
 
+#define HCI_EV_LE_CONN_UPDATE_COMPLETE	0x03
+struct hci_ev_le_conn_update_complete {
+	__u8     status;
+	__le16   handle;
+	__le16   interval;
+	__le16   latency;
+	__le16   supervision_timeout;
+} __packed;
+
 #define HCI_EV_LE_LTK_REQ		0x05
 struct hci_ev_le_ltk_req {
 	__le16	handle;