diff --git a/node_modules/inline-source-map/index.js b/node_modules/inline-source-map/index.js
index df74d61..7641aad 100644
--- a/node_modules/inline-source-map/index.js
+++ b/node_modules/inline-source-map/index.js
@@ -91,7 +91,7 @@ Generator.prototype.addSourceContent = function (sourceFile, sourcesContent) {
  */
 Generator.prototype.base64Encode = function () {
   var map = this.toString();
-  return new Buffer(map).toString('base64');
+  return Buffer.from(map).toString('base64');
 };
 
 /**