diff --git a/core/libpsl/.SRCINFO b/core/libpsl/.SRCINFO
new file mode 100644
index 000000000..ab927c67c
--- /dev/null
+++ b/core/libpsl/.SRCINFO
@@ -0,0 +1,28 @@
+pkgbase = libpsl
+	pkgdesc = Public Suffix List library
+	pkgver = 0.21.5
+	pkgrel = 1
+	url = https://github.com/rockdaboot/libpsl
+	arch = x86_64
+	license = MIT
+	makedepends = gtk-doc
+	makedepends = libxslt
+	makedepends = publicsuffix-list
+	depends = libidn2
+	depends = libunistring
+	depends = python
+	provides = libpsl.so
+	source = https://github.com/rockdaboot/libpsl/releases/download/0.21.5/libpsl-0.21.5.tar.gz
+	source = https://github.com/rockdaboot/libpsl/releases/download/0.21.5/libpsl-0.21.5.tar.gz.sig
+	validpgpkeys = 1CB27DBC98614B2D5841646D08302DB6A2670428
+	sha512sums = c14d575cecc0f1693894dd79565b6b9220084ddfa43b908a1cefe16d147cdd5ec47796eb0c2135e2f829a951abaf39d8a371ab5c1352f57b36e610e25adf91f5
+	sha512sums = SKIP
+	b2sums = a0076f622b85df99f866de6707850ac216b764bdb68c6d516f4603da42dac8eae3ee4c53d68dbb6af6f779c2c7f1b9caab74c8b558209b1f6823f95c13fc3ceb
+	b2sums = SKIP
+
+pkgname = libpsl
+	depends = libidn2
+	depends = libunistring
+	depends = python
+	depends = libidn2.so
+	depends = libunistring.so
diff --git a/core/libpsl/.nvchecker.toml b/core/libpsl/.nvchecker.toml
new file mode 100644
index 000000000..a57e0fe60
--- /dev/null
+++ b/core/libpsl/.nvchecker.toml
@@ -0,0 +1,3 @@
+[libpsl]
+source = "git"
+git = "https://github.com/rockdaboot/libpsl.git"
diff --git a/core/libpsl/PKGBUILD b/core/libpsl/PKGBUILD
index 961fe3580..dc81f06fc 100644
--- a/core/libpsl/PKGBUILD
+++ b/core/libpsl/PKGBUILD
@@ -4,18 +4,29 @@
 # no changes, hold for soname bumps
 
 pkgname=libpsl
-pkgver=0.21.2
+pkgver=0.21.5
 pkgrel=1
 pkgdesc='Public Suffix List library'
 url='https://github.com/rockdaboot/libpsl'
 arch=('x86_64')
 license=('MIT')
-depends=('libidn2' 'libunistring')
-makedepends=('libxslt' 'python' 'publicsuffix-list' 'gtk-doc')
+depends=(
+  libidn2
+  libunistring
+  python
+)
+makedepends=(
+  gtk-doc
+  libxslt
+  publicsuffix-list
+)
 provides=('libpsl.so')
-source=(https://github.com/rockdaboot/libpsl/releases/download/${pkgver}/${pkgname}-${pkgver}.tar.gz)
-sha512sums=('f1df72220bf4391d4701007100b0df66c833a2cbcb7481c9d13f0b9e0cad3b66d2d15d4b976e5bad60d2ad1540355112fa1acb07aa925c241d2d7cd20681c71d')
-b2sums=('b50f805bb467dc3284bc91645a37a2208098ad809d3771c74ef13c3b8f6029a07ad80a56702c7e3d1a1125d272403c85dd97b64a28465b9ff2d095eaf94b9a4d')
+source=(https://github.com/rockdaboot/libpsl/releases/download/${pkgver}/${pkgname}-${pkgver}.tar.gz{,.sig})
+sha512sums=('c14d575cecc0f1693894dd79565b6b9220084ddfa43b908a1cefe16d147cdd5ec47796eb0c2135e2f829a951abaf39d8a371ab5c1352f57b36e610e25adf91f5'
+            'SKIP')
+b2sums=('a0076f622b85df99f866de6707850ac216b764bdb68c6d516f4603da42dac8eae3ee4c53d68dbb6af6f779c2c7f1b9caab74c8b558209b1f6823f95c13fc3ceb'
+        'SKIP')
+validpgpkeys=('1CB27DBC98614B2D5841646D08302DB6A2670428') # Tim Rühsen <tim.ruehsen@gmx.de>
 
 prepare() {
   cd ${pkgname}-${pkgver}
diff --git a/core/libpsl/keys/pgp/1CB27DBC98614B2D5841646D08302DB6A2670428.asc b/core/libpsl/keys/pgp/1CB27DBC98614B2D5841646D08302DB6A2670428.asc
new file mode 100644
index 000000000..72be5fc3b
--- /dev/null
+++ b/core/libpsl/keys/pgp/1CB27DBC98614B2D5841646D08302DB6A2670428.asc
@@ -0,0 +1,51 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
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+-----END PGP PUBLIC KEY BLOCK-----