diff --git a/lib/system/supports-colors.js b/lib/system/supports-colors.js
index b39a1e7..26b4cbd 100644
--- a/lib/system/supports-colors.js
+++ b/lib/system/supports-colors.js
@@ -25,7 +25,7 @@ THE SOFTWARE.
 
 'use strict';
 const os = require('os');
-const hasFlag = require('has-flag');
+const hasFlag = require('./has-flag.js');
 
 const env = process.env;