diff --git a/.gitignore b/.gitignore
index 0f99c38..276e7b4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ libdatrie-0.2.2.tar.gz
 /libthai-0.1.19.tar.xz
 /libdatrie-0.2.8.tar.xz
 /libthai-0.1.20.tar.xz
+/libthai-0.1.21.tar.xz
diff --git a/libthai.spec b/libthai.spec
index c21aac5..0e38691 100644
--- a/libthai.spec
+++ b/libthai.spec
@@ -1,9 +1,7 @@
-%define datrie_version 0.2.8
-
 Summary:  Thai language support routines
 Name: libthai
-Version: 0.1.20
-Release: 4%{?dist}
+Version: 0.1.21
+Release: 1%{?dist}
 License: LGPLv2+
 Group: System Environment/Libraries
 Source: ftp://linux.thai.net/pub/thailinux/software/libthai/libthai-%{version}.tar.xz
@@ -75,6 +73,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_libdir}/pkgconfig/*
 
 %changelog
+* Tue Sep  2 2014 Daiki Ueno <dueno@redhat.com> - 0.1.21-1
+- Update to 0.1.21
+
 * Sun Aug 17 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.1.20-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_Mass_Rebuild
 
diff --git a/sources b/sources
index ce73285..fcacc56 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-2b58148d73361316121d5384efeda9e6  libthai-0.1.20.tar.xz
+cee51e8359a6a382788af304905ff804  libthai-0.1.21.tar.xz