diff --git a/gulpfile.js b/gulpfile.js
index a0bc0eb54..2ce78b7b2 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -124,7 +124,7 @@ function createStringSource(filename, content) {
   source._read = function () {
     this.push(new Vinyl({
       path: filename,
-      contents: new Buffer(content),
+      contents: Buffer.from(content),
     }));
     this.push(null);
   };