diff --git a/index.js b/index.js
index 493c1c7..51d1bf6 100755
--- a/index.js
+++ b/index.js
@@ -1,4 +1,6 @@
-const fs = require("fs");
+#!/usr/bin/env node
+
+const fs = require('fs');
 
 console.log("Generating Timezone JSON");