diff --git a/lib/index.js b/lib/index.js
index 8db5184..60fd17a 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,6 +1,7 @@
 'use strict';
 
 module.exports = {
+    format: require('./format'),
     normalize: require('./normalize'),
     merge: require('./merge'),
     subtract: require('./subtract'),