diff --git a/cmd/mbf/main.go b/cmd/mbf/main.go
index 61a78cb..43ae72c 100644
--- a/cmd/mbf/main.go
+++ b/cmd/mbf/main.go
@@ -168,6 +168,8 @@ func main() {
 				p = rosa.Go
 			case "kernel-headers":
 				p = rosa.KernelHeaders
+			case "libexpat":
+				p = rosa.Libexpat
 			case "libffi":
 				p = rosa.Libffi
 			case "m4":
diff --git a/internal/rosa/all.go b/internal/rosa/all.go
index 2401e58..76d4c3b 100644
--- a/internal/rosa/all.go
+++ b/internal/rosa/all.go
@@ -20,6 +20,7 @@ const (
 	Git
 	Go
 	KernelHeaders
+	Libexpat
 	Libffi
 	M4
 	Make
diff --git a/internal/rosa/libexpat.go b/internal/rosa/libexpat.go
new file mode 100644
index 0000000..e5317d8
--- /dev/null
+++ b/internal/rosa/libexpat.go
@@ -0,0 +1,33 @@
+package rosa
+
+import (
+	"strings"
+
+	"hakurei.app/internal/pkg"
+)
+
+func (t Toolchain) newLibexpat() pkg.Artifact {
+	const (
+		version  = "2.7.3"
+		checksum = "GmkoD23nRi9cMT0cgG1XRMrZWD82UcOMzkkvP1gkwSFWCBgeSXMuoLpa8-v8kxW-"
+	)
+	return t.New("libexpat-"+version, []pkg.Artifact{
+		t.Load(Make),
+		t.Load(Bash),
+	}, nil, nil, `
+cd "$(mktemp -d)"
+/usr/src/libexpat/configure \
+	--prefix=/system \
+	--build="${ROSA_TRIPLE}"
+make "-j$(nproc)" check
+make DESTDIR=/work install
+`, pkg.Path(AbsUsrSrc.Append("libexpat"), false, pkg.NewHTTPGetTar(
+		nil,
+		"https://github.com/libexpat/libexpat/releases/download/"+
+			"R_"+strings.ReplaceAll(version, ".", "_")+"/"+
+			"expat-"+version+".tar.bz2",
+		mustDecode(checksum),
+		pkg.TarBzip2,
+	)))
+}
+func init() { artifactsF[Libexpat] = Toolchain.newLibexpat }