diff --git a/.cvsignore b/.cvsignore
index 7364708..0c2b086 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -1 +1 @@
-uget-1.4.7.tar.gz
+uget-1.4.8.1.tar.gz
diff --git a/sources b/sources
index 2a90ba3..0325a3a 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-e2bb31a1e1064db59ce7f341b9d7b013  uget-1.4.7.tar.gz
+1174f1b9688cde2a75a3fd557ded0fca  uget-1.4.8.1.tar.gz
diff --git a/uget.desktop b/uget.desktop
deleted file mode 100644
index c792a09..0000000
--- a/uget.desktop
+++ /dev/null
@@ -1,10 +0,0 @@
-[Desktop Entry]
-Name=Uget Download Manager
-Comment=Download files from the internet
-Comment[de]=Dateien aus dem Internet herunterladen
-GenericName=Download Manager
-Exec=uget-gtk
-Icon=document-save
-Terminal=false
-Type=Application
-Categories=GTK;Network;FileTransfer;
diff --git a/uget.spec b/uget.spec
index b3b9697..b4a7315 100644
--- a/uget.spec
+++ b/uget.spec
@@ -1,13 +1,12 @@
 Name:		uget
-Version:	1.4.7
-Release:	2%{?dist}
+Version:	1.4.8.1
+Release:	1%{?dist}
 Summary:	Download manager using GTK+ and libcurl
 
 Group:		Applications/Internet
 License:	LGPLv2+
 URL:		http://urlget.sourceforge.net/
 Source0:	http://downloads.sourceforge.net/urlget/%{name}-%{version}.tar.gz
-Source1:	uget.desktop
 BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 BuildRequires:	desktop-file-utils
@@ -30,6 +29,9 @@ Uget is the successor of urlgfe, which was called URLget before.
 %prep
 %setup -q
 chmod 0644 [A-Z]*
+sed -i.png \
+	-e 's|^Icon=.*$|Icon=uget-icon|' \
+	%{name}-gtk.desktop
 
 %build
 %configure
@@ -42,20 +44,51 @@ make install \
 	INSTALL="install -p"
 desktop-file-install \
 	--dir $RPM_BUILD_ROOT%{_datadir}/applications \
-	%{SOURCE1}
+	--delete-original \
+	$RPM_BUILD_ROOT%{_datadir}/applications/%{name}-gtk.desktop
+
+for s in 16 32
+do
+	subdir=icons/hicolor/${s}x${s}/apps
+	mkdir -p $RPM_BUILD_ROOT%{_datadir}/${subdir}
+	mv $RPM_BUILD_ROOT%{_datadir}/pixmaps/%{name}-icon-${s}x${s}.png \
+		$RPM_BUILD_ROOT%{_datadir}/${subdir}/%{name}-icon.png
+	ln -sf ../${subdir}/%{name}-icon.png \
+		$RPM_BUILD_ROOT%{_datadir}/pixmaps/%{name}-icon-${s}x${s}.png
+done
 
 %clean
 rm -rf $RPM_BUILD_ROOT
 
+%post
+touch --no-create %{_datadir}/icons/hicolor
+exit 0
+
+%postun
+[ $1 -eq 0 ] || exit 0
+touch --no-create %{_datadir}/icons/hicolor
+gtk-update-icon-cache -q %{_datadir}/icons/hicolor
+exit 0
+
+%posttrans
+gtk-update-icon-cache -q %{_datadir}/icons/hicolor
+exit 0
+
 %files
 %defattr(-,root,root,-)
 %doc	COPYING
 %doc	ChangeLog
 %doc	README
 %{_bindir}/%{name}-gtk
-%{_datadir}/applications/%{name}.desktop
+
+%{_datadir}/applications/%{name}-gtk.desktop
+%{_datadir}/icons/hicolor/??x??/apps/%{name}-icon.png
+%{_datadir}/pixmaps/%{name}-icon-*.png
 
 %changelog
+* Thu May 14 2009 Mamoru Tasaka <mtasaka@ioa.s.u-tokyo.ac.jp> - 1.4.8.1-1
+- 1.4.8.1
+
 * Mon May  4 2009 Mamoru Tasaka <mtasaka@ioa.s.u-tokyo.ac.jp> - 1.4.7-2
 - More detailed summary/description suggested by Christoph Wickert
   <fedora@christoph-wickert.de>