diff --git a/src/commands/version.ts b/src/commands/version.ts
new file mode 100644
index 00000000..cc9d51e1
--- /dev/null
+++ b/src/commands/version.ts
@@ -0,0 +1,29 @@
+import {
+  JBONSAI_VERSION,
+  JPREPROCESS_VERSION,
+  OM_SYRINX_VERSION,
+} from "@discordjs-japan/om-syrinx";
+import type {
+  ChatInputCommandInteraction,
+  RESTPostAPIChatInputApplicationCommandsJSONBody,
+} from "discord.js";
+import { OM_VERSION } from "../version";
+
+export const definition = {
+  name: "version",
+  description: "バージョン情報を表示します。",
+} satisfies RESTPostAPIChatInputApplicationCommandsJSONBody;
+
+export async function handler(
+  interaction: ChatInputCommandInteraction<"cached">,
+) {
+  await interaction.reply({
+    content: `\`\`\`
+discordjs-japan/om: ${OM_VERSION}
+discordjs-japan/om-syrinx: ${OM_SYRINX_VERSION}
+jpreprocess/jpreprocess: ${JPREPROCESS_VERSION}
+jpreprocess/jbonsai: ${JBONSAI_VERSION}
+\`\`\``,
+    ephemeral: true,
+  });
+}
diff --git a/src/main.ts b/src/main.ts
index 432c8268..32c00bd8 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -2,9 +2,10 @@ import { ActivityType, Client, Events, GatewayIntentBits } from "discord.js";
 import * as join from "./commands/join";
 import * as leave from "./commands/leave";
 import * as skip from "./commands/skip";
+import * as version from "./commands/version";
 import { ReplyableError } from "./error";
 import Pipeline from "./pipeline";
-import { version } from "./version";
+import { OM_VERSION } from "./version";
 
 const client = new Client({
   intents: [
@@ -20,6 +21,8 @@ client.on(Events.InteractionCreate, async (interaction) => {
   if (!interaction.isChatInputCommand()) return;
   try {
     switch (interaction.commandName) {
+      case "version":
+        return await version.handler(interaction);
       case "join":
         return await join.handler(interaction);
       case "leave":
@@ -50,13 +53,14 @@ client.on(Events.VoiceStateUpdate, async (_, n) => {
 client.once(Events.ClientReady, async (client) => {
   client.application.commands.cache.clear();
   await client.application.commands.set([
+    version.definition,
     join.definition,
     leave.definition,
     skip.definition,
   ]);
   client.user.setActivity({
     type: ActivityType.Custom,
-    name: `v${version}`,
+    name: `v${OM_VERSION}`,
   });
 });
 
diff --git a/src/version.ts b/src/version.ts
index 48e73936..1ed8680d 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const version: string = "[VI]{{inject}}[/VI]";
+export const OM_VERSION: string = "[VI]{{inject}}[/VI]";