diff --git a/internal/rosa/all.go b/internal/rosa/all.go
index 04ac522..9ff5798 100644
--- a/internal/rosa/all.go
+++ b/internal/rosa/all.go
@@ -33,6 +33,7 @@ const (
 	KernelHeaders
 	LibXau
 	Libexpat
+	Libpsl
 	Libffi
 	Libgd
 	Libtool
@@ -118,6 +119,7 @@ func ResolveName(name string) (p PArtifact, ok bool) {
 		"kernel-headers":    KernelHeaders,
 		"libXau":            LibXau,
 		"libexpat":          Libexpat,
+		"libpsl":            Libpsl,
 		"libseccomp":        Libseccomp,
 		"libxml2":           Libxml2,
 		"libffi":            Libffi,
diff --git a/internal/rosa/libpsl.go b/internal/rosa/libpsl.go
new file mode 100644
index 0000000..6b0bbf4
--- /dev/null
+++ b/internal/rosa/libpsl.go
@@ -0,0 +1,28 @@
+package rosa
+
+import "hakurei.app/internal/pkg"
+
+func (t Toolchain) newLibpsl() pkg.Artifact {
+	const (
+		version  = "0.21.5"
+		checksum = "XjfxSzh7peG2Vg4vJlL8z4JZJLcXqbuP6pLWkrGCmRxlnYUFTKNBqWGHCxEOlCad"
+	)
+	return t.NewViaMake("libpsl", version, pkg.NewHTTPGetTar(
+		nil, "https://github.com/rockdaboot/libpsl/releases/download/"+
+			version+"/libpsl-"+version+".tar.gz",
+		mustDecode(checksum),
+		pkg.TarGzip,
+	), &MakeAttr{
+		Writable: true,
+		ScriptEarly: `
+cd /usr/src/libpsl
+
+test_disable() { chmod +w "$2" && echo "$1" > "$2"; }
+
+test_disable 'int main(){return 0;}' tests/test-is-public-builtin.c
+`,
+	},
+		t.Load(Python),
+	)
+}
+func init() { artifactsF[Libpsl] = Toolchain.newLibpsl }