diff --git a/.gitignore b/.gitignore
index c70ebd8..0cbc784 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,3 @@
 /liblangtag-0.6.4.tar.bz2
+/liblangtag-0.6.6.tar.bz2
+/liblangtag-0.6.7.tar.bz2
diff --git a/0001-ro-MD-ro-to-get-make-check-to-succeed.patch b/0001-ro-MD-ro-to-get-make-check-to-succeed.patch
deleted file mode 100644
index 2e64634..0000000
--- a/0001-ro-MD-ro-to-get-make-check-to-succeed.patch
+++ /dev/null
@@ -1,25 +0,0 @@
-From f46641f735e8a22d4c2a2002d0b6b90ff7a664b3 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Caol=C3=A1n=20McNamara?= <caolanm@redhat.com>
-Date: Thu, 30 Jun 2022 10:19:18 +0100
-Subject: [PATCH] ro-MD -> ro to get make check to succeed
-
----
- tests/check-tag.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/tests/check-tag.c b/tests/check-tag.c
-index 99466e2..29e738b 100644
---- a/tests/check-tag.c
-+++ b/tests/check-tag.c
-@@ -197,7 +197,7 @@ TDEF (lt_tag_canonicalize) {
- 	fail_unless(lt_tag_parse(t1, "mo", NULL), "should be valid langtag.");
- 	s = lt_tag_canonicalize(t1, NULL);
- 	fail_unless(s != NULL, "Unable to be canonicalize.");
--	fail_unless(lt_strcmp0(s, "ro-MD") == 0, "Unexpected result to be canonicalized.");
-+	fail_unless(lt_strcmp0(s, "ro") == 0, "Unexpected result to be canonicalized.");
- 	free(s);
- 
- 	lt_tag_unref(t1);
--- 
-2.36.1
-
diff --git a/liblangtag.spec b/liblangtag.spec
index 3b2ba68..ff7256f 100644
--- a/liblangtag.spec
+++ b/liblangtag.spec
@@ -4,15 +4,14 @@
 %global soversion_gobject 0
 
 Name: liblangtag
-Version: 0.6.4
-Release: 5%{?dist}
+Version: 0.6.7
+Release: 1%{?dist}
 Summary: An interface library to access tags for identifying languages
 
 License: LGPL-3.0-or-later OR MPL-2.0
 URL: http://tagoh.bitbucket.org/liblangtag/
 Source0: https://bitbucket.org/tagoh/%{name}/downloads/%{name}-%{version}.tar.bz2
 Patch0: liblangtag-noparallel-gir.patch
-Patch1: 0001-ro-MD-ro-to-get-make-check-to-succeed.patch
 
 Requires: %{name}-data = %{version}-%{release}
 
@@ -135,6 +134,10 @@ export LD_LIBRARY_PATH=`pwd`/liblangtag/.libs:`pwd`/liblangtag-gobject/.libs${LD
 %{_datadir}/gtk-doc/html/%{name}
 
 %changelog
+* Fri Dec  1 2023 Akira TAGOH <tagoh@redhat.com> - 0.6.7-1
+- New upstream release.
+  Resolves: rhbz#2251364
+
 * Thu Jul 20 2023 Fedora Release Engineering <releng@fedoraproject.org> - 0.6.4-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
 
diff --git a/sources b/sources
index fcd0463..8039d41 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (liblangtag-0.6.4.tar.bz2) = 6c6dd3e6b0fc8d6f10cafd74112cbaf2a2342a88a908ad2f7ae759b3f5fb0cf6d788504c1de072e9ef019f2f5a284daeb2d2393036b6b402c5bc87f32b55f271
+SHA512 (liblangtag-0.6.7.tar.bz2) = 3628728f46865507d8794c1e7286c6ca04fc49f905594ab76db7bd2c8d8f9fac1e33693314d56bca6fdd8f99b8d207e6e6d2f751474832ceb60a4cdbf10fed68