diff --git a/internal/rosa/all.go b/internal/rosa/all.go
index c76a15c..5cffdbe 100644
--- a/internal/rosa/all.go
+++ b/internal/rosa/all.go
@@ -51,6 +51,7 @@ const (
 	Python
 	Rsync
 	Setuptools
+	Toybox
 	Wayland
 	WaylandProtocols
 	XCB
@@ -126,6 +127,7 @@ func (t Toolchain) ResolveName(name string) (p PArtifact, ok bool) {
 		"python":            Python,
 		"rsync":             Rsync,
 		"setuptools":        Setuptools,
+		"toybox":            Toybox,
 		"wayland":           Wayland,
 		"wayland-protocols": WaylandProtocols,
 		"xcb":               XCB,
diff --git a/internal/rosa/toybox.go b/internal/rosa/toybox.go
new file mode 100644
index 0000000..d29d638
--- /dev/null
+++ b/internal/rosa/toybox.go
@@ -0,0 +1,38 @@
+package rosa
+
+import "hakurei.app/internal/pkg"
+
+func (t Toolchain) newToybox() pkg.Artifact {
+	const (
+		version  = "0.8.9"
+		checksum = "ek4CoKxDsdS2QXuQzXfTn9ADDFjUlY4OtNC-tUiJ6WGxGdtgdLzKG_MzCIaXYcAN"
+	)
+	return t.New("toybox-"+version, false, stage3Concat(t, []pkg.Artifact{},
+		t.Load(Make),
+		t.Load(Bash),
+
+		t.Load(KernelHeaders),
+	), nil, nil, `
+ln -s ../system/bin/bash /bin/ || true
+cd /usr/src/toybox
+chmod +w kconfig tests
+rm \
+	tests/du.test \
+	tests/sed.test \
+	tests/tar.test
+
+export LDFLAGS="${LDFLAGS} -static"
+make defconfig
+make \
+	"-j$(nproc)" \
+	USER=cure \
+	tests
+PREFIX=/work/system/bin make install_flat
+`, pkg.Path(AbsUsrSrc.Append("toybox"), true, pkg.NewHTTPGetTar(
+		nil,
+		"https://landley.net/toybox/downloads/toybox-"+version+".tar.gz",
+		mustDecode(checksum),
+		pkg.TarGzip,
+	)))
+}
+func init() { artifactsF[Toybox] = Toolchain.newToybox }