diff --git a/libpsl/trunk/PKGBUILD b/libpsl/trunk/PKGBUILD
index 26b57037..a078bc46 100644
--- a/libpsl/trunk/PKGBUILD
+++ b/libpsl/trunk/PKGBUILD
@@ -3,26 +3,26 @@
 
 pkgname=libpsl
 pkgver=0.21.1
-pkgrel=1
+pkgrel=2
 pkgdesc='Public Suffix List library'
 url='https://github.com/rockdaboot/libpsl'
 arch=('x86_64')
 license=('MIT')
 depends=('libidn2' 'libidn2.so' 'libunistring')
-makedepends=('libxslt' 'python' 'publicsuffix-list' 'gtk-doc')
+makedepends=('git' 'libxslt' 'python' 'publicsuffix-list' 'gtk-doc')
 provides=('libpsl.so')
-source=(https://github.com/rockdaboot/libpsl/releases/download/${pkgver}/${pkgname}-${pkgver}.tar.gz)
-sha512sums=('a5084b9df4ff2a0b1f5074b20972efe0da846473396d27b57967c7f6aa190ab3c910b4bfc4f8f03802f08decbbad5820d850c36ad59610262ae37fe77de0c7f5')
-b2sums=('87c72651303a7870fd3f742e9ce8028e0dd48d3ded78ae7dea317ce54b98975f372429399b6a2d6746fd8e074d6a3ed13772b6c173f96c3a86aa7d726fd75586')
+_commit=(2556d4e6a1ffc8863af593583c3e0d92d0694476) # git rev-parse ${pkgver}
+source=(git+https://github.com/rockdaboot/libpsl.git?signed#tag=${_commit})
+validpgpkeys=('1CB27DBC98614B2D5841646D08302DB6A2670428') # Tim Rühsen <tim.ruehsen@gmx.de>
+sha512sums=('SKIP')
 
 prepare() {
-  cd ${pkgname}-${pkgver}
-  rm -frv list
+  cd ${pkgname}
   autoreconf -fiv
 }
 
 build() {
-  cd ${pkgname}-${pkgver}
+  cd ${pkgname}
   ./configure \
     --prefix=/usr \
     --disable-static \
@@ -36,12 +36,12 @@ build() {
 }
 
 check() {
-  cd ${pkgname}-${pkgver}
+  cd ${pkgname}
   make check
 }
 
 package() {
-  cd ${pkgname}-${pkgver}
+  cd ${pkgname}
   make DESTDIR="${pkgdir}" install
   install -Dm 644 COPYING -t "${pkgdir}/usr/share/licenses/${pkgname}"
 }