diff --git a/python-cron-descriptor/PKGBUILD b/python-cron-descriptor/PKGBUILD
index d68f76e..8a9a932 100644
--- a/python-cron-descriptor/PKGBUILD
+++ b/python-cron-descriptor/PKGBUILD
@@ -2,29 +2,39 @@
 
 pkgname=python-cron-descriptor
 _pkgname="${pkgname#python-}"
-pkgver=1.2.24
-pkgrel=2
-pkgdesc="A Python library that converts cron expressions into human readable strings"
+pkgver=1.2.27
+pkgrel=1
+pkgdesc='A Python library that converts cron expressions into human readable strings'
 arch=('any')
-url="https://github.com/Salamek/cron-descriptor"
+url='https://github.com/Salamek/cron-descriptor'
 license=('MIT')
 depends=('python')
-makedepends=('python-setuptools')
-source=("$pkgname-$pkgver.tar.gz::$url/archive/$pkgver.tar.gz")
-b2sums=('bf593431ffe52b58734c76ab9f065842d0423cd44d558a8efc75a97b3692cb11a9a43f0d9135eacc73087d0c184f73535fcfe4c9a62d12f7627c8ba99ad950f1')
+makedepends=('git' 'python-setuptools')
+_commit='9435edb5373f08eb6eb206e4e17ccbac495d6135'
+source=("$pkgname::git+$url#commit=$_commit")
+b2sums=('SKIP')
+
+pkgver() {
+  cd "$pkgname"
+
+  git describe --tags | sed 's/^v//'
+}
 
 build() {
-  cd "$_pkgname-$pkgver"
+  cd "$pkgname"
+
   python setup.py build
 }
 
 check() {
-  cd "$_pkgname-$pkgver"
+  cd "$pkgname"
+
   python -m unittest
 }
 
 package() {
-  cd "$_pkgname-$pkgver"
+  cd "$pkgname"
+
   python setup.py install --root="$pkgdir" --optimize=1
 
   # documentation