diff --git a/src/ble/att_db.h b/src/ble/att_db.h
index 2608a0432..2431c738b 100644
--- a/src/ble/att_db.h
+++ b/src/ble/att_db.h
@@ -83,6 +83,9 @@ extern "C" {
 #define ATT_HANDLE_VALUE_INDICATION     0x1d
 #define ATT_HANDLE_VALUE_CONFIRMATION   0x1e
 
+#define ATT_READ_MULTIPLE_VARIABLE_REQ  0x20
+#define ATT_READ_MULTIPLE_VARIABLE_RSP  0x21
+#define ATT_MULTIPLE_HANDLE_VALUE_NTF   0x23
 
 #define ATT_WRITE_COMMAND                0x52
 #define ATT_SIGNED_WRITE_COMMAND         0xD2