diff --git a/editors/vscode/package.json b/editors/vscode/package.json
index 7b0f5102..643e557f 100644
--- a/editors/vscode/package.json
+++ b/editors/vscode/package.json
@@ -67,6 +67,11 @@
         "command": "tombi.showLanguageServerVersion",
         "title": "Show Language Server Version",
         "category": "Tombi"
+      },
+      {
+        "command": "tombi.restartLanguageServer",
+        "title": "Restart Language Server",
+        "category": "Tombi"
       }
     ],
     "configuration": {
diff --git a/editors/vscode/src/command/index.ts b/editors/vscode/src/command/index.ts
index ba455232..f40036dd 100644
--- a/editors/vscode/src/command/index.ts
+++ b/editors/vscode/src/command/index.ts
@@ -1,3 +1,4 @@
 import { showLanguageServerVersion } from "./show-language-server-version";
+import { restartLanguageServer } from "./restart-language-server";
 
-export { showLanguageServerVersion };
+export { showLanguageServerVersion, restartLanguageServer };
diff --git a/editors/vscode/src/command/restart-language-server.ts b/editors/vscode/src/command/restart-language-server.ts
new file mode 100644
index 00000000..28a6a687
--- /dev/null
+++ b/editors/vscode/src/command/restart-language-server.ts
@@ -0,0 +1,7 @@
+import type * as node from "vscode-languageclient/node";
+
+export async function restartLanguageServer(
+  client: node.LanguageClient,
+): Promise<void> {
+  await client.restart();
+}
diff --git a/editors/vscode/src/extention/index.ts b/editors/vscode/src/extention/index.ts
index 3e242832..f44b58bc 100644
--- a/editors/vscode/src/extention/index.ts
+++ b/editors/vscode/src/extention/index.ts
@@ -82,6 +82,12 @@ export class Extension {
         async () => command.showLanguageServerVersion(this.server),
       ),
     );
+    this.context.subscriptions.push(
+      vscode.commands.registerCommand(
+        `${EXTENTION_ID}.restartLanguageServer`,
+        async () => command.restartLanguageServer(this.client),
+      ),
+    );
   }
 
   private registerEvents(): void {