diff --git a/tomoyo-tools.changes b/tomoyo-tools.changes
index 9180718..e950922 100644
--- a/tomoyo-tools.changes
+++ b/tomoyo-tools.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Nov 29 19:20:40 CET 2012 - sbrabec@suse.cz
+
+- Verify GPG signature.
+
 -------------------------------------------------------------------
 Wed Oct 19 13:26:11 UTC 2011 - meissner@suse.com
 
diff --git a/tomoyo-tools.keyring b/tomoyo-tools.keyring
new file mode 100644
index 0000000..238d7bc
--- /dev/null
+++ b/tomoyo-tools.keyring
@@ -0,0 +1,20 @@
+pub   1024D/4B975A98 2008-07-29 [expires: 2013-07-29]
+uid                  Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
+
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v2.0.19 (GNU/Linux)
+
+mQGiBEiPBxkRBACX0ru++8E6vHoVBupTgcEV/1Dk/Dv75AWNomyNJKUr8RaQ3LYs
+LmmEq0ZZSP6pnrba2tnw7dash1HFfqV6Kx0hUjU7gszNlI/tDepYsAexLJQNjVPU
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+=eZB3
+-----END PGP PUBLIC KEY BLOCK-----
diff --git a/tomoyo-tools.spec b/tomoyo-tools.spec
index 1233e68..39d6658 100644
--- a/tomoyo-tools.spec
+++ b/tomoyo-tools.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package tomoyo-tools
 #
-# Copyright (c) 2011 SUSE LINUX Products GmbH, Nuernberg, Germany.
+# Copyright (c) 2012 SUSE LINUX Products GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -21,15 +21,16 @@
 BuildRequires:  ncurses-devel
 
 Name:           tomoyo-tools
+Summary:        Userspace tools for TOMOYO Linux 2.4.x
 License:        GPL-2.0
 Group:          Development/Tools/Other
-AutoReqProv:    on
-Summary:        Userspace tools for TOMOYO Linux 2.4.x
 Url:            http://sourceforge.jp/projects/tomoyo/
 Version:        2.4.0.20110929
-Release:        81
+Release:        0
 Source0:        http://sourceforge.jp/frs/redir.php?f=/tomoyo/52848/tomoyo-tools-%{downloadver}.tar.gz
 Source1:        http://sourceforge.jp/frs/redir.php?f=/tomoyo/52848/tomoyo-tools-%{downloadver}.tar.gz.asc
+Source2:        %{name}.keyring
+BuildRequires:  gpg-offline
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %description
@@ -37,6 +38,7 @@ This package contains userspace tools for administrating TOMOYO Linux 2.4.
 Please see http://tomoyo.sourceforge.jp/2.4/ for documentation.
 
 %prep
+%gpg_verify %{S:1}
 %setup -q -n %{name}
 
 %build