diff --git a/src/main/scala/esmeta/spec/Spec.scala b/src/main/scala/esmeta/spec/Spec.scala
index 495764933d..da730b6c51 100644
--- a/src/main/scala/esmeta/spec/Spec.scala
+++ b/src/main/scala/esmeta/spec/Spec.scala
@@ -50,4 +50,4 @@ case class Spec(
   lazy val stats: Stats = new Stats(this)
 }
 object Spec:
-  case class Version(name: String, hash: String)
+  case class Version(name: String, hash: String) extends SpecElem
diff --git a/src/main/scala/esmeta/spec/util/Stringifier.scala b/src/main/scala/esmeta/spec/util/Stringifier.scala
index 043c52f9a6..7f7c7786a5 100644
--- a/src/main/scala/esmeta/spec/util/Stringifier.scala
+++ b/src/main/scala/esmeta/spec/util/Stringifier.scala
@@ -12,6 +12,7 @@ object Stringifier {
   given elemRule: Rule[SpecElem] = (app, elem) =>
     elem match {
       case elem: Spec            => specRule(app, elem)
+      case elem: Spec.Version    => versionRule(app, elem)
       case elem: Grammar         => grammarRule(app, elem)
       case elem: Production      => prodRule(app, elem)
       case elem: Lhs             => lhsRule(app, elem)
diff --git a/src/test/scala/esmeta/spec/StringifyTinyTest.scala b/src/test/scala/esmeta/spec/StringifyTinyTest.scala
index b498e9d4d1..cddc1c2fa1 100644
--- a/src/test/scala/esmeta/spec/StringifyTinyTest.scala
+++ b/src/test/scala/esmeta/spec/StringifyTinyTest.scala
@@ -9,6 +9,15 @@ class StringifyTinyTest extends SpecTest {
 
   // registration
   def init: Unit = {
+    // -------------------------------------------------------------------------
+    // Spec Version
+    // -------------------------------------------------------------------------
+    lazy val version = Spec.Version("1fc323b", "1fc323b")
+    lazy val namedVersion = Spec.Version("main", "1fc323b")
+    checkStringify("Spec.Version")(
+      version -> "1fc323b",
+      namedVersion -> "1fc323b (main)",
+    )
     // -------------------------------------------------------------------------
     // Grammar
     // -------------------------------------------------------------------------
diff --git a/tests/result/spec/StringifyTinyTest b/tests/result/spec/StringifyTinyTest
index 9d28e78e68..3fb20d32a6 100644
--- a/tests/result/spec/StringifyTinyTest
+++ b/tests/result/spec/StringifyTinyTest
@@ -1 +1 @@
-spec.StringifyTinyTest: 9 / 9
+spec.StringifyTinyTest: 10 / 10
diff --git a/tests/result/spec/StringifyTinyTest.json b/tests/result/spec/StringifyTinyTest.json
index fcac86add8..b505a68320 100644
--- a/tests/result/spec/StringifyTinyTest.json
+++ b/tests/result/spec/StringifyTinyTest.json
@@ -7,5 +7,6 @@
   "Production.Kind" : true,
   "Rhs" : true,
   "RhsCond" : true,
+  "Spec.Version" : true,
   "Symbol" : true
 }