diff --git a/src/command/update.ts b/src/command/update.ts
new file mode 100644
index 0000000..a11487a
--- /dev/null
+++ b/src/command/update.ts
@@ -0,0 +1,16 @@
+import { program, Command } from '@/program.ts';
+import { execSync } from 'node:child_process';
+
+const update = new Command('update')
+  .option('-g --global', 'update global')
+  .description('update cli')
+  .action((opts) => {
+    try {
+      const cmd = opts.global ? 'npm install -g @kevisual/envision-cli' : 'npm install -D @kevisual/envision-cli';
+      execSync(cmd, { stdio: 'inherit', encoding: 'utf-8' });
+    } catch (error) {
+      console.error('Error updating CLI:', error);
+    }
+  });
+
+program.addCommand(update);
diff --git a/src/index.ts b/src/index.ts
index d1da22b..1dc1723 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -8,6 +8,8 @@ import './command/npm.ts';
 import './command/publish.ts';
 import './command/init.ts';
 import './command/proxy.ts';
+import './command/update.ts';
+
 import './command/sync/sync.ts';
 
 import './command/app/index.ts';