diff --git a/isl/PKGBUILD b/isl/PKGBUILD
index c068b6801..f9a2824c5 100644
--- a/isl/PKGBUILD
+++ b/isl/PKGBUILD
@@ -4,19 +4,15 @@
 # maintainer: Manuel Tortosa <manutortosa[at]chakra-project[dot]org>
 
 pkgname=isl
-pkgver=0.11.2
+pkgver=0.13
 pkgrel=1
 pkgdesc="Library for manipulating sets and relations of integer points bounded by linear constraints"
 arch=('i686' 'x86_64')
 url="http://www.kotnet.org/~skimo/isl/"
 depends=('gmp')
 license=('MIT')
-options=('!libtool')
 source=("http://isl.gforge.inria.fr/${pkgname}-${pkgver}.tar.bz2")
-#source=(ftp://ftp.linux.student.kuleuven.be/pub/people/skimo/isl/$pkgname-$pkgver.tar.bz2)
-#source=("${pkgname}-${pkgver}.tar.bz2")
-#source=(http://www.kotnet.org/~skimo/isl/$pkgname-$pkgver.tar.bz2)
-md5sums=('c40daa17d2995d1c98a0c1aca607541f')
+md5sums=('e4cf20c4c10d5d613457558b1f46b5e2')
 
 build() {
   cd "$srcdir/$pkgname-$pkgver"
@@ -31,16 +27,10 @@ check() {
 
 package() {
   cd "$srcdir/$pkgname-$pkgver"
-  make -j1 DESTDIR="$pkgdir/" install
+  make DESTDIR="$pkgdir/" install
 
   install -dm755 $pkgdir/usr/share/gdb/auto-load/usr/lib/
-  mv $pkgdir/{,/usr/share/gdb/auto-load/}usr/lib/libisl.so.10.1.2-gdb.py
+  mv $pkgdir/{,/usr/share/gdb/auto-load/}usr/lib/libisl.so.13.0.0-gdb.py
   
   install -Dm644 LICENSE $pkgdir/usr/share/licenses/isl/LICENSE
 }
-
-
-
-
-
-