diff --git a/dist/less.js b/dist/less.js
index a6c11b223..ee0bd1184 100644
--- a/dist/less.js
+++ b/dist/less.js
@@ -13972,7 +13972,7 @@ Buffer.prototype.fill = function fill (val, start, end, encoding) {
   } else {
     var bytes = Buffer.isBuffer(val)
       ? val
-      : new Buffer(val, encoding)
+      : Buffer.from(val, encoding)
     var len = bytes.length
     for (i = 0; i < end - start; ++i) {
       this[i + start] = bytes[i % len]
@@ -14251,7 +14251,7 @@ function clone(parent, circular, depth, prototype, includeNonEnumerable) {
         child = Buffer.allocUnsafe(parent.length);
       } else {
         // Older Node.js versions
-        child = new Buffer(parent.length);
+        child = Buffer.alloc(parent.length);
       }
       parent.copy(child);
       return child;
diff --git a/lib/less-node/environment.js b/lib/less-node/environment.js
index 104222afc..19077170b 100644
--- a/lib/less-node/environment.js
+++ b/lib/less-node/environment.js
@@ -1,6 +1,6 @@
 module.exports = {
     encodeBase64: function encodeBase64(str) {
-        return new Buffer(str).toString('base64');
+        return Buffer.from(str).toString('base64');
     },
     mimeLookup: function (filename) {
         return require('mime').lookup(filename);
diff --git a/test/copy-bom.js b/test/copy-bom.js
index c3941bf47..8d9621638 100644
--- a/test/copy-bom.js
+++ b/test/copy-bom.js
@@ -8,7 +8,7 @@ module.exports = function() {
         fs = require('fs');
 
     var BUF_LENGTH = 64 * 1024;
-    var _buff = new Buffer(BUF_LENGTH);
+    var _buff = Buffer.alloc(BUF_LENGTH);
 
     function copyFolderWithBom(src, dest) {
         var stats = fs.lstatSync(src);