diff --git a/src/ibusunicodegen.h b/src/ibusunicodegen.h
index c891d0e3e..be2462551 100644
--- a/src/ibusunicodegen.h
+++ b/src/ibusunicodegen.h
@@ -1,8 +1,8 @@
 /* -*- mode: C; c-basic-offset: 4; indent-tabs-mode: nil; -*- */
 /* vim:set et sts=4: */
 /* ibus - The Input Bus
- * Copyright (C) 2018 Takao Fujiwara <takao.fujiwara1@gmail.com>
- * Copyright (C) 2018 Red Hat, Inc.
+ * Copyright (C) 2018-2021 Takao Fujiwara <takao.fujiwara1@gmail.com>
+ * Copyright (C) 2018-2021 Red Hat, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -107,6 +107,10 @@ const static char *unicode_blocks[] = {
                     the following command:
        msgmerge -C gucharmap.po ibus.po ibus.pot */
     N_("Syriac Supplement"),
+    /* TRANSLATORS: You might refer the translations from gucharmap with
+                    the following command:
+       msgmerge -C gucharmap.po ibus.po ibus.pot */
+    N_("Arabic Extended-B"),
     /* TRANSLATORS: You might refer the translations from gucharmap with
                     the following command:
        msgmerge -C gucharmap.po ibus.po ibus.pot */
@@ -759,10 +763,18 @@ const static char *unicode_blocks[] = {
                     the following command:
        msgmerge -C gucharmap.po ibus.po ibus.pot */
     N_("Caucasian Albanian"),
+    /* TRANSLATORS: You might refer the translations from gucharmap with
+                    the following command:
+       msgmerge -C gucharmap.po ibus.po ibus.pot */
+    N_("Vithkuqi"),
     /* TRANSLATORS: You might refer the translations from gucharmap with
                     the following command:
        msgmerge -C gucharmap.po ibus.po ibus.pot */
     N_("Linear A"),
+    /* TRANSLATORS: You might refer the translations from gucharmap with
+                    the following command:
+       msgmerge -C gucharmap.po ibus.po ibus.pot */
+    N_("Latin Extended-F"),
     /* TRANSLATORS: You might refer the translations from gucharmap with
                     the following command:
        msgmerge -C gucharmap.po ibus.po ibus.pot */
@@ -859,6 +871,10 @@ const static char *unicode_blocks[] = {
                     the following command:
        msgmerge -C gucharmap.po ibus.po ibus.pot */
     N_("Sogdian"),
+    /* TRANSLATORS: You might refer the translations from gucharmap with
+                    the following command:
+       msgmerge -C gucharmap.po ibus.po ibus.pot */
+    N_("Old Uyghur"),
     /* TRANSLATORS: You might refer the translations from gucharmap with
                     the following command:
        msgmerge -C gucharmap.po ibus.po ibus.pot */
@@ -963,6 +979,10 @@ const static char *unicode_blocks[] = {
                     the following command:
        msgmerge -C gucharmap.po ibus.po ibus.pot */
     N_("Soyombo"),
+    /* TRANSLATORS: You might refer the translations from gucharmap with
+                    the following command:
+       msgmerge -C gucharmap.po ibus.po ibus.pot */
+    N_("Unified Canadian Aboriginal Syllabics Extended-A"),
     /* TRANSLATORS: You might refer the translations from gucharmap with
                     the following command:
        msgmerge -C gucharmap.po ibus.po ibus.pot */
@@ -1007,6 +1027,10 @@ const static char *unicode_blocks[] = {
                     the following command:
        msgmerge -C gucharmap.po ibus.po ibus.pot */
     N_("Early Dynastic Cuneiform"),
+    /* TRANSLATORS: You might refer the translations from gucharmap with
+                    the following command:
+       msgmerge -C gucharmap.po ibus.po ibus.pot */
+    N_("Cypro-Minoan"),
     /* TRANSLATORS: You might refer the translations from gucharmap with
                     the following command:
        msgmerge -C gucharmap.po ibus.po ibus.pot */
@@ -1027,6 +1051,10 @@ const static char *unicode_blocks[] = {
                     the following command:
        msgmerge -C gucharmap.po ibus.po ibus.pot */
     N_("Mro"),
+    /* TRANSLATORS: You might refer the translations from gucharmap with
+                    the following command:
+       msgmerge -C gucharmap.po ibus.po ibus.pot */
+    N_("Tangsa"),
     /* TRANSLATORS: You might refer the translations from gucharmap with
                     the following command:
        msgmerge -C gucharmap.po ibus.po ibus.pot */
@@ -1063,6 +1091,10 @@ const static char *unicode_blocks[] = {
                     the following command:
        msgmerge -C gucharmap.po ibus.po ibus.pot */
     N_("Tangut Supplement"),
+    /* TRANSLATORS: You might refer the translations from gucharmap with
+                    the following command:
+       msgmerge -C gucharmap.po ibus.po ibus.pot */
+    N_("Kana Extended-B"),
     /* TRANSLATORS: You might refer the translations from gucharmap with
                     the following command:
        msgmerge -C gucharmap.po ibus.po ibus.pot */
@@ -1087,6 +1119,10 @@ const static char *unicode_blocks[] = {
                     the following command:
        msgmerge -C gucharmap.po ibus.po ibus.pot */
     N_("Shorthand Format Controls"),
+    /* TRANSLATORS: You might refer the translations from gucharmap with
+                    the following command:
+       msgmerge -C gucharmap.po ibus.po ibus.pot */
+    N_("Znamenny Musical Notation"),
     /* TRANSLATORS: You might refer the translations from gucharmap with
                     the following command:
        msgmerge -C gucharmap.po ibus.po ibus.pot */
@@ -1119,6 +1155,10 @@ const static char *unicode_blocks[] = {
                     the following command:
        msgmerge -C gucharmap.po ibus.po ibus.pot */
     N_("Sutton SignWriting"),
+    /* TRANSLATORS: You might refer the translations from gucharmap with
+                    the following command:
+       msgmerge -C gucharmap.po ibus.po ibus.pot */
+    N_("Latin Extended-G"),
     /* TRANSLATORS: You might refer the translations from gucharmap with
                     the following command:
        msgmerge -C gucharmap.po ibus.po ibus.pot */
@@ -1127,10 +1167,18 @@ const static char *unicode_blocks[] = {
                     the following command:
        msgmerge -C gucharmap.po ibus.po ibus.pot */
     N_("Nyiakeng Puachue Hmong"),
+    /* TRANSLATORS: You might refer the translations from gucharmap with
+                    the following command:
+       msgmerge -C gucharmap.po ibus.po ibus.pot */
+    N_("Toto"),
     /* TRANSLATORS: You might refer the translations from gucharmap with
                     the following command:
        msgmerge -C gucharmap.po ibus.po ibus.pot */
     N_("Wancho"),
+    /* TRANSLATORS: You might refer the translations from gucharmap with
+                    the following command:
+       msgmerge -C gucharmap.po ibus.po ibus.pot */
+    N_("Ethiopic Extended-B"),
     /* TRANSLATORS: You might refer the translations from gucharmap with
                     the following command:
        msgmerge -C gucharmap.po ibus.po ibus.pot */