diff --git a/main/postmarketos-keys/APKBUILD b/main/postmarketos-keys/APKBUILD
new file mode 100644
index 000000000..c7e9c35a7
--- /dev/null
+++ b/main/postmarketos-keys/APKBUILD
@@ -0,0 +1,26 @@
+# Maintainer: Martijn Braam <martijn@brixit.nl>
+pkgname=postmarketos-keys
+pkgver=1
+pkgrel=0
+pkgdesc="Public keys for the postmarketOS repositories"
+url="https://postmarketos.org/"
+arch="noarch"
+license="MIT"
+source="
+	build.postmarketos.org.rsa.pub
+"
+options="!check" # No testsuite
+
+package() {
+	# Install the key in the key directory for apk
+	install -Dm644 "$srcdir"/build.postmarketos.org.rsa.pub \
+		"$pkgdir"/etc/apk/keys/build.postmarketos.org.rsa.pub
+
+	# Store a copy of the key in /usr/share/apk/keys as backup
+	install -Dm644 "$srcdir"/build.postmarketos.org.rsa.pub \
+		"$pkgdir"/usr/share/apk/keys/build.postmarketos.org.rsa.pub
+}
+
+sha512sums="
+0996bd5e5e140096c116fdfeed8083f8993ecbaa2f7e4e097e738277106a13b49c8bda4a408fed10f3369aa8af8cc655deafa34ddd86d9c4a83aeb70d81de024  build.postmarketos.org.rsa.pub
+"
diff --git a/main/postmarketos-keys/build.postmarketos.org.rsa.pub b/main/postmarketos-keys/build.postmarketos.org.rsa.pub
new file mode 100644
index 000000000..227f66806
--- /dev/null
+++ b/main/postmarketos-keys/build.postmarketos.org.rsa.pub
@@ -0,0 +1,14 @@
+-----BEGIN PUBLIC KEY-----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+-----END PUBLIC KEY-----