diff --git a/src/cli.js b/src/cli.js
index c880f95..c53e0ea 100644
--- a/src/cli.js
+++ b/src/cli.js
@@ -1,3 +1,5 @@
+#!/usr/bin/env node
+
 import microbundle from '.';
 import prog from './prog';
 import { stdout } from './utils';