diff --git a/libkolabxml/PKGBUILD b/libkolabxml/PKGBUILD
index 2fbd21e1a8..0c3e619ae2 100644
--- a/libkolabxml/PKGBUILD
+++ b/libkolabxml/PKGBUILD
@@ -3,32 +3,25 @@
 # Contributor: Andrea Scarpino <andrea@archlinux.org>
 
 pkgname=libkolabxml
-pkgver=1.1.6
-pkgrel=19
+pkgver=1.2.1
+pkgrel=1
 pkgdesc="Kolab XML Format Schema Definitions Library"
 url='https://www.kolab.org/'
 arch=(x86_64 powerpc64le powerpc riscv64)
 license=('GPL')
 depends=('xerces-c' 'boost-libs')
 makedepends=('cmake' 'boost' 'xsd' 'swig')
-source=("https://mirror.kolabenterprise.com/pub/releases/${pkgname}-${pkgver}.tar.gz"{,.gpg})
-sha512sums=('ae74a9276cad2840db09ae9f9178991eb22137a13f83c04dd2fb7513407f2a5e6b7c79d71de80ced786457f1d3c8b5229226aecd8ea139f0af7125268aff4121'
-            'defc0ae0261182fc8c535bee0598b9d303c2b1373b005b6e6a214f50135534e15b4f0c132d3d78fe093896494c10a381b0569dee350c7843aa60a9de3af0906f')
-
-prepare() {
-  mkdir build
-}
+source=(https://cgit.kolab.org/libkolabxml/snapshot/libkolabxml-libkolabxml-$pkgver.tar.gz)
+sha512sums=('a4967d84b57d4c637dcc36383f05dbb20fe2ba5e590235eac219ece33e15d29f5eb51e9501a4f9e277900fdec18ddd390e6dc564bf79663bb3513de07f04d39a')
 
 build() {
-  cd build
-  cmake ../${pkgname}-${pkgver} \
+  cmake -B build -S $pkgname-$pkgname-$pkgver \
     -DCMAKE_INSTALL_PREFIX=/usr \
     -DBUILD_TESTS=OFF \
     -DBoost_NO_BOOST_CMAKE=ON
-  make
+  cmake --build build
 }
 
 package() {
-  cd build
-  make DESTDIR="${pkgdir}" install
+  DESTDIR="$pkgdir" cmake --install build
 }